Ion Chromatography: Green Chemistry for a Green Environment. Ken Kirkbride Somerset, New Jersey October 12, 2011
|
|
- Alexandra Hines
- 6 years ago
- Views:
Transcription
1 Ion Chromatography: Green Chemistry for a Green Environment Ken Kirkbride Somerset, New Jersey October 12, 2011
2 Ion Chromatography Ion Chromatography is an analytical technique that utilizes ion exchange mechanisms to separate ionic substances followed by detection utilizing conductivity, amperometry, UV/Vis, fluorescence or mass spectrometry detectors. Analyte classes include: Anions Cations Organic Acids Amines Transition Metals 2
3 Regulatory Methods that Use Ion Chromatography Chemical or Contaminant Anions ASTM D4327 D4327 D5794 D5827 E1787 WK 5500 E1787 EPA Method Description ISO Method The Determination of Inorganic Anions in Water by Ion Chromatography The Determination of Inorganic Anions in Drinking Water by Ion Chromatography Standard Guide for Determination of Anions in Cathodic Electro-Coat Permeates by Ion Chromatography Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography Standard Test Method for Chloride at Trace Levels in Monoethylene Glycol (Ion Chromatography Method) Standard Test Method for Anions in Caustic Soda and Caustic Potash Water Quality Determination of Dissolved Fluoride, Chloride, Nitrite, Orthophosphate, Bromide, Nitrate and Sulfate Ions, Using Liquid Chromatography of Ions Part 1 Method for Water with Low Contamination 3
4 Regulatory Methods that Use Ion Chromatography Chemical or Contaminant ASTM Bromate ISO EPA Method Description The Determination of Inorganic Anions in Drinking Water by Ion Chromatography D Determination of Bromate by Ion Chromatography Determination of Inorganic Oxyhalide Disinfection By-Products in Drinking 317 Water Using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate Analysis Determination of Bromate in Drinking Waters by Ion Chromatography Inductively Coupled Plasma Mass Spectrometry Determination of Inorganic Oxyhalide Disinfection By-Products in 326 Drinking Water Using Ion Chromatography Incorporating the Addition of Two Postcolumn Reagents for Trace Bromate Analysis Water Quality Determination of Dissolved Bromate Method by Liquid Chromatography of Ions (ISO 15061:2001); German Version EN ISO 15061:2001 Hexavalent Chromium D Determination of Dissolved Hexavalent Chromium in Drinking Water, Groundwater, and Industrial Wastewater Effluents by Ion Chromatography. (IC with AS16) 4
5 Regulatory Methods that Use Ion Chromatography Chemical or Contaminant ASTM EPA Method Description Perchlorate 314 IC with AS Determination of Perchlorate in Drinking Water Using Inline Column Concentration/Matrix Elimination IC with Suppressed Conductivity. (IC with Cryptand Column) Dimensional IC with the AS20 and AS16 IonPac Columns and Suppressed Conductivity Detection LC-MS/MS Using the IonPac AS21 Column IC-MS and IC-MS/MS with the IonPac AS16 and AS20 Columns WK652 Test Method for Perchlorate in Water by Chemically Suppressed Ion Chromatography Perchlorate Solid Waste Perchlorate Solid Waste Perchlorate in Water, Soils and Solid Wastes Using High-Performance Liquid Chromatography/Electrospray Ionization/Mass Spectrometry Perchlorate in Water, Soils and Solid Wastes Using Ion Chromatography/Electrospray Ionization/Mass Spectrometry 5
6 Regulatory Methods that Use Ion Chromatography Chemical or Contaminant ASTM Cations D Carbohydrate D6919 D5896 Cyanide D Haloacetic Acids EPA Method Description 557 Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography Standard Test Method for Determination of Dissolved Alkali and Alkaline Earth Cations and Ammonium in Water and Wastewater by Ion Chromatography Standard Test Method for Carbohydrate Distribution of Cellulosic Materials (Wood Sugars) Standard Test Method for Determination of Metal Cyanide Complexes in Wastewater, Surface Water, Groundwater and Drinking Water using Anion Exchange Chromatography with UV Detection Determination of Haloacetic Acids, Bromate, and Dalapon in Drinking Water by Ion Chromatography Electrospray Ionization Tandem Mass Spectrometry (IC-ESI-MS/MS) 6
7 Inorganic Anions in Water EPA AND
8 Columns for Carbonate Methods Method 300.0, Part A AS4A, AS14, AS14A, AS22 Bromide Chloride Fluoride N as Nitrate N as Nitrite P as Ortho-phosphate Sulfate Method 300.0, Part B AS9SC, AS9HC, AS23 All above, plus Bromate Chlorite Chlorate Method 300.1, Part A AS9HC, AS14, AS22 Bromide Chloride Fluoride N as Nitrate N as Nitrite P as Ortho-phosphate Sulfate Method 300.1, Part B AS9HC, AS14, AS23 Bromate Bromide Chlorite Chlorate 8
9 Determination of Inorganic Anions in a Municipal Drinking Water Sample µs µs Column: IonPac AG22 and AS22, 4 mm Eluent: 4.5 mm Sodium carbonate/ 1.4 mm sodium bicarbonate Temperature: 30 C Flow Rate: 1.2 ml/min Inj. Volume: 25 µl Detection: Suppressed conductivity, ASRS ULTRA II 4 mm, AutoSuppression recycle mode Peaks 1. Fluoride 0.84 mg/l 2. Formate Chloride Nitrite Unknown NQ 6. Chlorate Bromide Nitrate Carbonate NQ 10. Phosphate Sulfate Very high capacity for anion and organic acid separation 9 9
10 IonPac AS22-Fast Anion Column New Carbonate RFIC Column format Designed for fast, isocratic separation of common inorganic anions in simple sample matrices Has identical selectivity to the IonPac AS22 column Shorter column format decreases dead volume, provides faster run times and allows higher flow rates Higher throughput Up to 2.5 ml/min (4 mm) or 0.63 ml/min (2 mm) Resolve 7 common anions in less than 5 minutes Fast anion analysis with AS22-Fast 10
11 Analysis of a Municipal Drinking Water Sample 100 µs µs Minutes Column: IonPac AS22-Fast, mm Eluent: 4.5 mm Sodium carbonate 1.4 mm Sodium bicarbonate Flow Rate: 2.0 ml/min Inj. Volume: 100 µl Temperature: 30 C Detection: Suppressed conductivity, ASRS 300, 4 mm, AutoSuppression recycle mode Peaks: 1. Fluoride 2. Formate 3. Chloride 4. Nitrite 5. Chlorate 6. Bromide 7. Nitrate 8. Carbonate 9. Phosphate 10. Sulfate Faster than an AS4A but with 6x capacity
12 Though carbonate eluents are easy to prepare Methods using hydroxide eluents offer more sensitivity than those using carbonate eluents. The suppression product is water, providing the lowest possible background conductivity Lower noise Improved detection limits Larger linear working range Preparing hydroxide eluents manually can be difficult to do with high reproducibility. The capillary eluent generator can prepare hydroxide eluents with high accuracy and precision for 18 months 24 hours/day, 7 days/week 12
13 RFIC System for Anions Using EPA Method (A) 20 µs (B) 2 Municipal 6 Drinking Water µs (A) 1 Standard Minutes Column: IonPac AG18, AS18, 4 mm Eluent: mm KOH from 7 8 min Eluent source: ICS-2000 with CR-ATC Temperature: 30 C Flow rate: 1.0 ml/min Inj. volume: 25 µl Detection: ASRS ULTRA, 4 mm recycle mode, 100 ma (A) (B) Peaks: 1. Fluoride mg/l (ppm) 2. Chloride Nitrite Carbonate Bromide Sulfate Nitrate Phosphate Sample: Sunnyvale, CA, drinking water 19115/
14 Hexavalent Chromium EPA
15 Methodologies for Hexavalent Chromium Health concerns Trivalent chromium is nontoxic Hexavalent chromium is highly toxic Traditional analysis method EPA Method chelation extraction, atomic absorption Subject to positive interference from some metals Cumbersome not automated Modest detection limits (~5 µg/l) IC analysis method EPA Method (ASTM Method D ) IC separation of chromium VI coupled with postcolumn reaction 1,5-diphenylcarbizide) UV/Vis detection (530 nm) 15
16 EPA Press Release These modifications allow for improved low concentration measurement and are outlined in Dionex Corp. Application Update 144 Determination of Hexavalent Chromium in Drinking Water by Ion Chromatography found at 16
17 System Configuration for Cr(VI) by EPA Method Eluent Autosampler High-Pressure Nonmetallic Pump Sample Loop IonPac NG1 IonPac AS7 Post column Reagent Mixing Tee Knitted Reaction Coil UV-vis Detector Waste 17
18 Dionex Improvements to EPA Method Application Update 144 Use a lower-sulfate buffer to adjust sample ph Increase sample size to 1000 µl Reduce eluent flow rate to 1 ml/min Reduce PCR flow rate to 0.33 ml/min Increase postcolumn reaction coil to 750 µl New MDL in reagent water is µg/l 18 ppt 15x lower detection limit than Method
19 Hexavalent Chromium in Drinking Water with Optimized EPA Method AU 0 (A) (B) Cr(VI) µg/l Cr(VI) µg/l Minutes Column: IonPac NG1, AS7 Eluent: 250 mm/l (NH 4 ) 2 SO mm/l NH 4 OH Flow rate: 1.0 ml/min Inj. volume: 1000 µl Postcolumn reagent: 2 mm/l 1,5-diphenylcarbizide 10 % MeOH 0.5 mol/l H 2 SO 4 Postcolumn flow rate: 0.33 ml/min Reaction coil: 750 µl Detection: Sample: UV/Vis, 530 nm Sunnyvale, CA, tap water (A) Spiked with 0.2 µg/l Cr(VI) (B) Tap water 19
20 Cr(VI) 2mm using ICS-2100 with AXP High Ionic Strength Water (HIW) vs. DI Water 3.3 mau Column: IonPac AS7 (2 x 50 mm), AS7 (2 x 250 mm) Eluent: 250 mm (NH 4 ) 2 SO 4, 100 mm NH 4 OH Flow: 0.36 ml/min Inj. Vol: 1000 µl Post Column Reagent: 2 mm diphenylcarbazide 10% methanol 1N sulfuric acid Reaction Coil: 125 µl UV Cell: Semi micro (PEEK), 2.5 µl 0.1 µg/l Cr(VI) in DI water 0.1 µg/l Cr(VI) in HIW A Signal offset Minutes B 21
21 Cr(VI) Analysis using 2 mm format 2.5 mau C B A Column: IonPacNG1 (2 x 50 mm), AS7 (2 x 250 mm) Eluent: 250 mm (NH 4 ) 2 SO 4, 100 mm NH 4 OH Flow: 0.36 ml/min Inj. Vol: 1000 µl Post Column Reagent: 2 mm diphenylcarbazide 10% methanol 1N sulfuric acid Reaction Coil:125 µl A) DI water blank B) µg/l Cr(VI) in DI water C) Sunnyvale, CA drinking water 0.05 µg/l Minutes 22
22 Format comparison Format Chromate Conc. (µg/l) Method Detection Limits for Chromate Based on a 1000 µl Injection Std. Dev. (µg/l) RSD (%) MDL* (µg/l) 4 mm mm ppt detection with 2 mm Format! 23 * MDL = (Std. Dev.) x (t s, 99 ), where t s,99 = 3.14 for n = 7
23 Drinking Water Disinfection By-products: Bromate and HAA s EPA 300.1,
24 EPA (B); Trace analysis of bromate using the IonPac AS µs µs Minutes Minutes Carbonate Eluent: AS23 > capacity than AS9HC Columns: IonPac AG23, AS23, 4 mm Eluents: 4.5 mm Sodium carbonate/ 0.8 mm sodium bicarbonate Temperature: 30 C Flow Rate: 1.0 ml/min Inj. Volume: 200 µl Detection: Suppressed conductivity, ASRS ULTRA II, 4 mm, AutoSuppression external water mode Peaks: 1. Fluoride 1.0 mg/l (ppm) 2. Chlorite Bromate Chloride Nitrite Chlorate Bromide Nitrate Carbonate Phosphate Sulfate
25 RFIC System for Anions Using EPA Method (B) 300 µs µs , Column: IonPac AS19, 4 x 250 mm Eluent : 10 mm KOH from 0 to 7 min, 10 to 15 mm from 7 to 20 min, 15 to 55 mm from 20 to 30 min Eluent Source: EGC-KOH cartridge with CR-ATC Flow Rate: 1.0 ml/min Temperature: 30 C Suppressor: ASRS ULTRA, 4 mm, external water mode, 300 ma Inj Volume: 500 µl Peaks: 1. Fluoride 1 mg/l (ppm) 2. Formate 3. Chlorite Bromate Chloride Nitrite Chlorate Bromide Nitrate Carbonate Sulfate Phosphate Minutes Hydroxide Eluent: Allows the use of RFIC (just add water) a 26
26 Oxyhalides and Inorganic Anions in Drinking Water Column: IonPac AS19 ( mm) Eluent Source: Capillary EGC-KOH cartridge Eluent: KOH min) Flow Rate: 10 mm KOH (0 to 10 min), 10 to 50 mm (10 to 25 min), 10 mm KOH (25 to µl/min Inj. Volume: 10 µl Sample A Standard Temperature: 30 C Suppressor: Suppressed conductivity, ACES 300 anion capillary electrolytic suppressor µs Minutes Concentration (µg/l) Peaks: Standard Sample A 1. Chlorite Bromate Chloride Nitrite Chlorate Bromide Nitrate Carbonate 9. Sulfate Phosphate
27 Bromate Method Summary Technique IC-Suppressed Conductivity EPA Method(s) (B) IC-Suppressed Conductivity Column(s) Eluent MDL (ppb) AS9-HC AS23 AS-19 AS9-HC AS23 AS-19 Carbonate Carbonate Hydroxide Carbonate Carbonate Hydroxide Conductivity D IC Suppressed Conductivity (pending) AS19 4mm, AS- 24, 2mm Hydroxide IC - Suppressed Conductivity with postcolumn ODA AS9-HC AS-19 Carbonate Hydroxide Cond. UV IC - Suppressed Conductivity with postcolumn acidified KI AS9-HC AS-19 Carbonate Hydroxide IC-ICP-MS CarboPac PA100 Hydroxide
28 HAA s Without Derivatization United States Environmental Protection Agency TECHNICAL SUPPORT CENTER OFFICE OF GROUND WATER AND DRINKING WATER U. S. ENVIRONMENTAL PROTECTION AGENCY CINCINNATI, OHIO Office of Research and Development: December 2009 Method DETERMINATION OF HALOCAETIC ACIDS, BROMATE, AND DALAPON IN DRINKING WATER BY ION CHROMATOGRAPHY ELECTROSPRAY IONIZATION TANDEM MASS SPECTROMETRY (IC/ESI-MS/MS) A. D. Zaffiro and M. Zimmerman (Shaw Environmental, Inc.) B. V. Pepich (U.S. EPA, Region 10 Laboratory) Rosanne W Slingsby, R. F. Jack and Christopher A. Pohl (Dionex Corporation) D. J. Munch (U.S. EPA, Office of Ground Water and Drinking Water) 29 Developed by Dionex
29 What Are HAAs? Acid Monochloroacetic acid Abbreviation Chemical Formula pka Boiling Point C MCAA* ClCH 2 CO 2 H Dichloroacetic acid DCAA * Cl 2 CHCO 2 H 1.25 a, 1.29 b, 1.30 c 194 Trichloroacetic acid TCAA * Cl 3 CCO 2 H 0.63 a, 0.65 b, 0.70 c Monobromoacetic acid MBAA * BrCH 2 CO 2 H 2.87 a, 2.86 b, 2.7 c 208 Dibromoacetic acid DBAA * Br 2 CHCO 2 H NA 195 Tribromoacetic acid TBAA Br 3 CCO 2 H Bromochloroacetic acid Dibromochloro acetic Acid Dichlorobromoacetic acid BCAA BrClCHCO 2 H NA DBCAA Br 2 ClCCO 2 H NA NA DCBAA Cl 2 ClCCO 2 H NA NA * MCAA, DCAA, TCAA, MBAA, DBAA are collectively referred to as HAA
30 US EPA Method Reported Detection Limits (GC-ECD) Advantages: Good selectivity Low MDLs Wide applicable concentration range: µg/l Analyte Detection Limits (µg/l) % Recovery MCAA MBAA DCAA Limitations: Requires sample pretreatment Time consuming Labor intensive Subject to multiple procedural errors BCAA DBAA TCAA BDCAA CDBAA TBAA
31 EPA 557: Determination of Bromate, Dalapon, and HAA9 by Direct Injection Using IC-MS/MS Diverted to waste Cl - SO 4 CO 3 NO 3 Intensity, cps No sample preparation!
32 Linearity and Minimum Detection Limits of 9 HAAs in DI Water and High Salt Matrix Analyte ISTD 5 μg/l R 2 (Calibration range μg/l) DIW / Matrix* MDL μg/l / %RSD (n=7, 1 μg/l) DI water MDL μg/l / %RSD (n=7, 1 μg/l) In Matrix* MCAA / / / 14.7 MCAA-2-13C MBAA / / / 4.2 DCAA / / / 3.3 BCAA DCAA-2-13C / / / 0.8 DBAA / / / 10.8 TCAA / / / 0.3 BDCAA / / / 18.9 TCAA-2-13C CDBAA / / / 16.4 TBAA / / / * Matrix (mg/l) : SO ; Cl 250; NO 3 30; NH 4 Cl 100; HCO 3 150;
33 Perchlorate EPA 314.0, AND
34 Perchlorate EPA Method Summary (Lowest Concentration Minimum Reporting Level) Technique EPA MDL in Water LCMRL ppb Column(s) IC-Suppressed Conductivity 314.0* ppb na AS16 or AS20 IC-Suppressed Conductivity Matrix Rinse-Elimination Primary and Confirmation Columns 2-D IC Suppressed Conductivity Matrix Rinse-Elimination Primary and Confirmation Columns 314.1* ppb * AS16 AS20 AS16 AS20 with TAC-ULP IC-MS 332.0** 6860 IC-MS/MS 332.0** 6860 *Developed by Dionex ppb ppb AS16 or AS20 AS16 or AS20 ** Jointly developed by EPA and Dionex
35 EPA Method Determination of 1 µg/l Perchlorate with Increasing Concentrations of Chloride, Sulfate, and Carbonate Column: IonPac AG16, AS16, 4 mm Eluent: 65 mm KOH Eluent Source: ICS-2000 EG with CR-ATC Temperature: 30 C Flow Rate: 1.2 ml/min Injection loop: 1000 µl Detection: ASRS ULTRA II, AutoSuppression, external water mode, 193 ma Peaks: 1. Perchlorate 1 µg/l Samples: MA(x) = X mg/l each Cl, SO 4 2, CO
36 2-D Perchlorate Analysis in High-Ionic Strength Water 1.35 µs A: First Dimension 1. Perchlorate A) First Dimension Column: IonPac AG20, AS20, 4 mm Eluent: 35 mm KOH, 0-30 min; mm, min Eluent Source: EG with EGC II KOH Flow Rate: 1.0 ml/min Inj. Volume: 4000 µl Temperature: 30 C Detection: suppressed conductivity, ASRS ULTRA II, 4 mm, 150 ma Concentrator B: Second Dimension Injection B) Second Dimension Concentrator: TAC-ULP1 (5 x 23 mm) Column: IonPac AG16, AS16, 2 mm Eluent: 65 mm KOH Eluent Source: EG with EGC II KOH Flow Rate: 0.25 ml/min Cut Volume: 5 ml Temperature: 30 C Detection: suppressed conductivity, ASRS ULTRA II, 2 mm, 41 ma µs Minutes 1 Peak: Matrix: Chloride: 1000 mg/l Bicarbonate: 1000 Sulfate: Perchlorate 0.5 µg/l Accurate detection even in difficult matrices 37
37 Benefits of Combining Suppressed IC with Mass Spectrometry Detection Separate ionic analytes using standard IC conditions Suppressor permits use of high ionic strength eluents to get the benefits of high capacity columns Dionex ICS-5000 with MSQ Plus Detect and identify analytes with high specificity Avoid coeluting interferences to ensure accurate identification Avoid background interferences to ensure highest analyte sensitivity Identify analytes by mass and isotope ratios for added confirmation Internal standard adds to method robustness Identify unknowns 38
38 EPA Method 332.0* IC-MS(/MS) System with Matrix Elimination H 2 0 Chromatography Pump Eluent Generator Injector IC Column Matrix Elimination Valve Suppressor Column Flow to Waste (Matrix Elimination) Column Flow to MSQ MSQ Mass Spec Waste * Jointly developed by EPA and Dionex H 2 0 / ACN Auxiliary Pump Waste 39
39 Advantages of MS Detection vs Conductivity Detection for Perchlorate Much greater sensitivity MRL on order of 5 50 ppt Specific determination of two perchlorate isotopes Unique perchlorate isotope ratios Oxygen-18 Perchlorate isotope can be used as an internal standard for improved method robustness Avoids inaccurate identification due to coeluting interferences Sensitivity maintained even in high TDS matrices MS detection is inherently confirmatory 40
40 Use of Perchlorate Oxygen-18 Isotope (m/z = 107) as an Internal Standard Ensures Measurement Precision % Recovery Area Counts ISTD Calc Perchlorate Conc (ppt) High TDS Matrix: Chloride 1000 ppm Carbonate 1000 Sulfate
41 Perchlorate in California Groundwater EPA Method (IC-MS)* 18,000 SIM 99 Counts Conductivity SIM 99 4 µs Column: IonPac AG16, AS16, 2 mm i.d. Suppressor: ASRS ULTRA, 2 mm Eluent: 65 mm KOH (EG40) Flow Rate: 0.30 ml/min Inj. Volume: 250 µl Detection: 1. Conductivity 2. MSQ, SIM 99, 35 CIO 4 MS Conditions: ESI, 70 V, 350 C Sample: Groundwater diluted 1/10 Peak: Perchlorate ~ 7 8 μg/l SIM 101 (MDL) 99 ** = 0.04 ppb * Method developed jointly by EPA and Dionex Minutes ** MDL = SD t s (n = 7), t s =
42 Perchlorate Analysis Using IC-MS with Matrix Diversion and 50% Acetonitrile Solvent Wash EPA Method 332.0* 1600 Counts SIM ppb Perchlorate with 1000 ppm each CCS** 2 1 ppb Perchlorate with 600 ppm each CCS** 3 1 ppb Perchlorate with 100 ppm each CCS** **CCS = Chloride, Carbonate, Sulfate Retention Time, Min * Method developed jointly by EPA and Dionex 43
43 44 ThermoFisher is committed to IC Environmental Methods
Keywords Haloacetic acids, Water analysis, 2-D ion chromatography, ICS-3000
Evaluation of Various Anion-Exchange Chemistries for the Analysis of Haloacetic Acids in Drinking Water Using -D Matrix Elimination Ion Chromatography and Suppressed Conductivity Detection White Paper
More informationSuperior Chromatographic Performance Recommended anion-exchange column for separation of haloacetic acids prior to MS or MS/MS detection
columns IonPac AS Anion-Exchange Column The IonPac AS is a highcapacity, hydroxide-selective anion exchange column designed for separation of haloacetic acids (HAAs) and bromate in drinking water prior
More informationThe use of 2-D IC for the determination of Haloacetic Acids in Drinking Water
The use of 2-D IC for the determination of Haloacetic Acids in Drinking Water Rong Lin, Brian Deborba, Pranathi Perati, Richard Jack, Chris Pohl, Kannan Srinivasan Notes page NEMC Topics in Drinking Water
More informationThermo Scientific Dionex IonPac AS24A Anion-Exchange Column
CHROMATOGRAPHY Thermo Scientific Dionex IonPac AS4A Anion-Exchange Column Product Specifications Thermo Scientific Dionex IonPac AS4A anion-exchange column is designed for the separation of haloacetic
More informationThermo Scientific Dionex IonPac AS26 Anion-Exchange Column
Chromatography Thermo Scientific Dionex IonPac AS Anion-Exchange Column Product Specifications The Thermo Scientific Dionex IonPac AS column is a high-capacity, hydroxide-selective, anion-exchange column
More informationThermo Scientific Dionex Ion Chromatography Solutions. Global water safety. bromate analysis in drinking water
Thermo Scientific Dionex Ion Chromatography Solutions Global water safety bromate analysis in drinking water Safe drinking water public health assurance As a vital limited resource required for survival,
More informationThermo Scientific Dionex IonPac AS23 Anion-Exchange Column
Chromatography Thermo Scientific Dionex IonPac AS Anion-Exchange Column Product Specifications The Thermo Scientific Dionex IonPac AS high-capacity, carbonate based anion-exchange column is designed for
More informationDevelopment of the Thermo Scientific Dionex IonPac AS26 Column for Haloacetic Acid Analysis
Development of the Thermo Scientific Dionex IonPac AS Column for aloacetic ong Lin, Kannan Srinivasan, and Chris Pohl, Thermo Fisher Scientific, Sunnyvale, CA, USA Introduction aloacetic acids are a group
More informationDionex IonPac AS28-Fast-4µm column
CHROMATOGRAPHY Thermo Scientific Dionex IonPac AS-Fast-4µm Columns Product Specifications The Thermo Scientific Dionex IonPac AS-Fast-4µm column is a high-capacity, hydroxide-selective anionexchange column
More informationThermo Scientific. Anion-Exchange Column
CHROMATOGRAPHY Thermo Scientific Dionex IonPac AS9-µm Anion-Exchange Column Product Specifications The Themo Scientific Dionex IonPac AS9-µm high-capacity, hydroxide-selective, anion-exchange column is
More informationNew On-Line High-Pressure Electrolytic Eluent Generators for Ion Chromatography
New On-Line High-Pressure Electrolytic Eluent Generators for Ion Chromatography Yan Liu, Zhongqing Lu, and Chris Pohl, Thermo Fisher Scientific, Sunnyvale, CA USA Overview Purpose: In this work, new high-pressure
More informationanion-exchange column
columnsionpac ASA Anion-Exchange Column The IonPac ASA is a carbonateselective anion-exchange column designed for the fast separation of inorganic anions, including fluoride, chlorite, bromate, chloride,
More informationcolumns IonPac AS22 Anion-Exchange Column
columns IonPac AS Anion-Exchange Column The IonPac AS is a carbonate based anion-exchange column designed for the determination of inorganic anions and low-molecular-weight organic acids including fluoride,
More informationSpeciation of Bromine Compounds in Ozonated Drinking Water using Ion Chromatography and Inductively Coupled Plasma Mass Spectrometry
APPLICATION NOTE Speciation of Bromine Compounds in Ozonated Drinking Water using Ion Chromatography and Inductively Coupled Plasma Mass Spectrometry AN43227 Antonella Guzzonato 1, Shona McSheehy Ducos
More informationcolumns IonPac AS17-C Anion Exchange Column
columns IonPac AS-C Anion Exchange Column The IonPac AS-C is a hydroxide-selective anion exchange column designed for fast gradient separation of inorganic anions. The key application for the AS-C column
More informationcolumns IonPac AS18 Anion-Exchange Columns
columns IonPac AS Anion-Exchange Columns The IonPac AS is a hydroxideselective anion-exchange column designed for the determination of inorganic anions and low-molecularweight organic acids including fluoride,
More informationThermo Scientific Dionex IonPac AS25 Anion-Exchange Column. Minutes
columns Thermo Scientific Dionex IonPac AS Anion-Exchange Column Isocratic Separation of Sulfur Species and Inorganic Anions Using the Dionex IonPac AS Column. Fluoride. Bromate. Chloride. Nitrite. Bromide.
More informationApplication Note 187. Brian DeBorba and Jeff Rohrer Thermo Scientific, Sunnyvale, CA, USA
Determination of Sub-μg/L Bromate in Municipal and Natural Mineral Waters Using Preconcentration with Two-Dimensional Ion Chromatography and Suppressed Conductivity Detection Brian DeBorba and Jeff Rohrer
More informationTime Savings and Improved Reproducibility of Nitrate and Nitrite Ion Chromatography Determination in Milk Samples
Application Note 79 Time Savings and Improved Reproducibility of Nitrate and Nitrite Ion Chromatography Determination in Milk Samples INTRODUCTION Cow s milk is of particular dietary value to infants,
More informationIon Analysis of Hydraulic Fluids in Fracking Process
Ion Analysis of Hydraulic Fluids in Fracking Process Presented by Jay Gandhi *, PhD Metrohm USA NEMC-2013 1 NEMC-2013 2 What we will cover today Background Hydraulic Fracking Ion Analysis Applications
More informationUsing a Reagent-Free ion chromatography system to monitor trace anion contamination in the extracts of electronic components
APPLICATION UPDATE 157 Using a Reagent-Free ion chromatography system to monitor trace anion contamination in the extracts of electronic components Authors Sumate Pengpumkiat, Weerapong Worawirunwong,
More informationDetermination of Hexavalent Chromium in Drinking Water Using Ion Chromatography
Application Update 144 Determination of Hexavalent Chromium in Drinking Water Using Ion Chromatography INTRODUCTION Hexavalent chromium, Cr(VI), is the most toxic form of the metal chromium, a primary
More informationQuantification of Trace and Major Anions in Water by Ion Chromatography in a High-Throughput Laboratory
Customer Application Note: 114 Quantification of Trace and Major Anions in Water by Ion Chromatography in a High-Throughput Laboratory Sébastien N. Ronkart, Ph.D.; Société wallonne des eaux, rue de la
More informationEfficient Separations Obtained by Using Smaller Particle Size Analytical Columns with a High-Pressure Ion Chromatography System
Efficient Separations Obtained by Using Smaller Particle Size Analytical Columns with a High-Pressure Ion Chromatography System arbara Shao, Frank Hoefler, Maria Rey, and Linda Lopez, Thermo Fisher Scientific,
More informationThermo Scientific. Anion-Exchange Column. Determination of Inorganic Anions in Diverse Sample Matrices. Superior Chromatographic Performance
CHROMATOGRAPHY Thermo Scientific Dionex IonPac AS Anion-Exchange Column Product Specifications The Thermo Scientific Dionex IonPac AS anion-exchange column is designed for the fast analysis of inorganic
More informationDetermination of trace anions in concentrated hydrofluoric acid
APPLICATION NOTE 78 Determination of trace anions in concentrated hydrofluoric acid Authors Archava Siriraks Thermo Fisher Scientific, Sunnyvale, CA Keywords HF, ICS-5000 +, IonPac AS10, IonPac AC10, ion
More informationDetermination of Cations and Amines in Hydrogen Peroxide by Ion Chromatography Using a RFIC (Reagent-Free) System
Application Update 55 Determination of Cations and Amines in Hydrogen Peroxide by Ion Chromatography Using a RFIC (Reagent-Free System Introduction Hydrogen peroxide is an essential chemical in the fabrication
More informationInline sample preparation for the determination of anions in sodium hydroxide
APPLICATION UPDATE 72331 Inline sample preparation for the determination of anions in sodium hydroxide Authors Hua Yang and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Keywords Sample preparation,
More informationDetermination of Bromate in Bottled Mineral Water Using the CRD 300 Carbonate Removal Device
Determination of Bromate in Bottled Mineral Water Using the CRD 00 Carbonate Removal Device Thunyarat Phesatcha, Weerapong Worawirunwong, and Jeff Rohrer Thermo Fisher Scientific, Bangkok, Thailand; Thermo
More informationAccurate and Reproducible Determination of Organic Halogens Using Combustion Ion Chromatography
Accurate and Reproducible Determination of Organic Halogens Using Combustion Ion Chromatography Kirk Chassaniol Manager of IC Technical Sales Support Thermo Fisher Scientific 1 The world leader in serving
More informationDirect Determination of Small Organic Acids in Sea Water by IC-MS
Direct Determination of Small Organic Acids in Sea Water by IC-MS Marcus Miller and William Schnute Thermo Fisher Scientific, San Jose, CA, USA Application Note Key Words MSQ Plus Single Quadrupole Mass
More informationConcentrator and Trap Columns. Column: IonPac AG15, AS15, 2 mm. Eluent Source: EG40 Concentrator. Temperature: 30 C Column: IonPac AC15 (2 50 mm)
columns and Trap Columns IonPac AG, AS, mm Eluent Source: EG Temperature: C IonPac AC ( mm) Flow Rate:. m/min Eluent: Potassium hydroxide, Inj. Volume: m, preconcentrated mm from to min, mm mm from min
More informationTrace Level Determination of Bromate in Ozonated Drinking Water Using Ion Chromatography
Trace Level Determination of Bromate in Ozonated Drinking Water Using Ion Chromatography Harpreet Dhillon and John Statler Thermo Fisher Scientific, Sunnyvale, CA, USA Application Note 11 Introduction
More informationSeparation of heat stable amine salts in methyldiethanolamine (MDEA) solutions using high-pressure IC
TECHNICAL NOTE 122 Separation of heat stable amine salts in methyldiethanolamine (MDEA) solutions using high-pressure IC Authors Terri Christison and Linda Lopez Thermo Fisher Scientific, Sunnyvale, CA,
More informationDetermination of Adsorbable Organic Halogen in Wastewater
Determination of Adsorbable Organic Halogen in Wastewater Jingli Hu, Jeff Rohrer, and Kirk Chassaniol Thermo Fisher Scientific, Sunnyvale, CA The world leader in serving science Outline AOX (Adsorbable
More informationThermo Scientific Dionex IonPac AS11-HC-4µm Anion-Exchange Column
Chromatography Thermo Scientific Anion-Exchange Column Product Specifications Attain the optimal resolution of organic acids and inorganic anions using the new Thermo Scientific Dionex IonPac AS11-HC-4µm
More informationOvercoming Challenging Matrices in Ion Chromatography
Overcoming Challenging Matrices in Ion Chromatography Presented by: Kirk Chassaniol Gulf Coast Conference 2014 October 14, 2014 Thermo Fisher Scientific NA IC Tech Support 1 The world leader in serving
More informationOffice of Water (MLK 140) EPA Document No. 815-B September eidenbach Cincinna. nnati, Ohio
METHOD 557: DETERMINATION OF HALOACETIC ACIDS, BROMATE, AND DALAPON IN DRINKING WATER BY ION CHROMATOGRAPHY ELECTROSPRAY IONIZATION TANDEM MASS SPECTROMETRY (IC-ESI-MS/MS) Andrew W. BreiB eidenbach Environmen
More informationData Pack. Ion Chromatography Methods. June 2009
Data Pack Ion Chromatography Methods June 2009 Table of Contents Introduction. 2 Ion Chromatography Methods List. 3 Inorganic Anions in Waters..7 Inorganic Anions in High Purity Waters..15 Inorganic Disinfection
More informationHigh-Pressure Electrolytic Carbonate Eluent Generation Devices and Their Applications in Ion Chromatography Systems
High-Pressure Electrolytic Carbonate Eluent Generation Devices and Their Applications in Ion Chromatography Systems Yan Liu, Zhongqing Lu, and Chris Pohl; Thermo Fisher Scientific, Sunnyvale, CA USA Overview
More informationDetermination of Cr(VI) in Water, Waste Water, and Solid Waste Extracts
Technical Note 26 Determination of in Water, Waste Water, and Solid Waste Extracts INTRODUCTION Chromium, while not unique in its properties, is commonly used in various industries because of the characteristics
More informationDetermination of trace concentrations of oxyhalides and bromide in municipal and bottled waters
PPLICTION NOTE 7229 Determination of trace concentrations of oxyhalides and bromide in municipal and bottled waters uthors Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, C, US Keywords
More informationNew Developments in Capillary Ion Chromatography using 4 μm Columns and Charge Detection
New Developments in Capillary Ion Chromatography using 4 μm Columns and Charge Detection Barbara Shao, Terri Christison, Fei Pang, Cathy Tanner, and Frank Hoefler, Thermo Fisher Scientific, Sunnyvale,
More informationDetermination of Inorganic Anions in Wastewater by Ion Chromatography
Application Note 5 Determination of Inorganic Anions in Wastewater INTRODUCTION The determination of common inorganic anions in environmental waters, such as wastewater and drinking, ground, and surface
More informationDetermination of Tetrafluoroborate, Perchlorate, and Hexafluorophosphate in a Simulated Electrolyte Sample from Lithium Ion Battery Production
Determination of Tetrafluoroborate, Perchlorate, and Hexafluorophosphate in a Simulated Electrolyte Sample from Lithium Ion Battery Production Thunyarat Phesatcha, Suparerk Tukkeeree, Jeff Rohrer 2 Thermo
More informationIC5000 Ion Chromatography System
IC000 Ion Chromatography System Quaternary gradient pumping and on-line eluent preparation to improve separations in complex samples In-line sample filtration to 0.8 µm to eliminate manual filtrations
More informationDetermination of Inorganic Anions in Drinking Water by Ion Chromatography
Determination of Inorganic s in Drinking Water by Ion Chromatography Peter Jackson Thermo Fisher Scientific Inc. Application Note Introduction The determination of common inorganic anions in drinking water
More informationDetermination of Trace Cations in Power Plant Waters Containing Morpholine
Application Note 8 Determination of Trace Cations in Power Plant Waters Containing Morpholine INTRODUCTION Morpholine and ammonium are used as additives in power plant waters. Morpholine acts as a corrosion
More informationThermo Scientific Dionex IonPac AS11 and AS11-HC Anion-Exchange Column
chromatography Separate a wide variety of inorganic anions and organic acids using the Dionex IonPac AS and AS-HC Anion-Exchange Columns with potassium hydroxide gradients. Product Specifications Thermo
More informationcolumns I o n P a c AS11 and AS11-H C Anion-E x c h a n g e C o l u m n s
columns I o n P a c AS and AS-H C Anion-E x c h a n g e C o l u m n s The IonPac AS anion-exchange column provides fast profiling of inorganic anions and organic acid anions using sodium hydroxide or potassium
More informationAnion and Cation analysis with Professional IC - automatic dilution and sample preparation with SPM
IC Application Work AW CH6-1048-012011 Anion and Cation analysis with Professional IC - automatic dilution and sample preparation with SPM Branch: Chemical industry; Water, wastewater, environmental protection,
More informationTheory of Ion Chromatography
Theory of Ion Chromatography The ideal method for analyzing anions, cations and polar substances is ion chromatography. It can be used to reliably quantify substances throughout a wide concentration range.
More informationMethod Abstract. Flow Solution Fluoride, USGS by ISE and FIA
Scope Summary Interferences Fluoride, USGS by ISE and FIA This method is used for the determination of fluoride in drinking water, surface water, and domestic and industrial wastes according to USGS Method
More informationDetermination of Sulfate and Chloride in Ethanol by Ion Chromatography
Application Note 75 Determination of Sulfate and Chloride in Ethanol by Ion Chromatography Ethanol used as a blending agent in gasoline can be contaminated with chloride and sulfate that form plugging
More informationcolumns IonPac SCS 1 Silica Cation Separator
columns IonPac SCS Silica Cation Separator The SCS Silica Cation Separator is designed for use with nonsuppressed conductivity detection, or single-column ion chromatography (SCIC). This column is particularly
More informationThe power to increase productivity. Thermo Scientific Dionex Reagent-Free Ion Chromatography (RFIC) System Capabilities
The power to increase productivity Thermo Scientific Dionex Reagent-Free Ion Chromatography (RFIC) System Capabilities RFIC System Technology Since the introduction of eluent generation in 99, Thermo Fisher
More informationDetermination of Trace Anions in Concentrated Bases Using AutoNeutralization Pretreatment and Ion Chromatography
Application Note 9 Determination of Trace Anions in Concentrated Bases Using AutoNeutralization Pretreatment and Ion Chromatography Introduction The computer, semiconductor, and food industries need analytical
More informationgroups I and II cations, amines, divalent transition metals
IC Columns Introduction Alltech IC Column Specifications Column Composition ph Range Applications Anion Exchange Columns Allsep polymer-based anion ph 0 inorganic anions, weak and strong acid ions, exchanger,
More informationResearch Associated with the Development of EPA Method 552.2
Research Associated with the Development of EPA Method 552.2 cerns over the toxic properties and explosive characteristics of diazomethane have prompted the EPA to investigate alternative derivatization
More informationUtility of the Charge Detector in Ion Chromatography Applications
Utility of the Charge Detector in Ion Chromatography Applications Mrinal K. Sengupta, Sheetal Bhardwaj, Kannan Srinivasan, Chris Pohl, and Purnendu K. Dasgupta Thermo Fisher Scientific, Sunnyvale, California,
More informationDetermination of urea in ultrapure water by IC-MS/MS
APPLICATION NOTE 72482 Determination of urea in ultrapure water by IC-MS/MS Authors Soon Fatt Lee, 1 Fiona Teh Hui Boon, 1 Chris Cheah Hun Teong, 1 and Jeff Rohrer 2 ¹Thermo Fisher Scientific, Singapore
More informationsuppressors Eluent Suppressors for Ion Chromatography
suppressors Eluent Suppressors for Ion Chromatography The Suppressor Advantage Dionex introduced suppression in 97, thereby bringing ion chromatography (IC) to the forefront of modern analytical techniques
More informationExpanded capabilities in ammonium and amine detection
PRODUCT SPECIFICATIONS Thermo Scientifi c Dionex SC-CERS 500 Salt Converter-Cation Electrolytically Regenerated Suppressor Expanded capabilities in ammonium and amine detection Benefits Broadened ammonium
More informationDETERMINATION OF TOTAL HALOGEN CONTENT IN HALOGEN-FREE FLUXES BY INDUCTIVELY COUPLED PLASMA AND SOME LIMITATIONS OF ION CHROMATOGRAPHY
As originally published in the SMTA Proceedings. DETERMINATION OF TOTAL HALOGEN CONTENT IN HALOGEN-FREE FLUXES BY INDUCTIVELY COUPLED PLASMA AND SOME LIMITATIONS OF ION CHROMATOGRAPHY Christopher J. Pontius,
More informationDetermination of Trace Anions in Organic Solvents
Application Note 8 Determination of Trace Anions in Organic Solvents INTRODUCTION In the manufacture of semiconductor materials, a great deal of attention is focused on minimizing sources of contamination.
More informationMETHOD 7199 DETERMINATION OF HEXAVALENT CHROMIUM IN DRINKING WATER, GROUNDWATER AND INDUSTRIAL WASTEWATER EFFLUENTS BY ION CHROMATOGRAPHY
METHOD 7199 DETERMINATION OF HEXAVALENT CHROMIUM IN DRINKING WATER, GROUNDWATER AND INDUSTRIAL WASTEWATER EFFLUENTS BY ION CHROMATOGRAPHY 1.0 SCOPE AND APPLICATION 1.1 This method provides procedures for
More informationThermo Scientific Dionex eluent suppressors for ion chromatography
PRODUCT SPECIFICATIONS Thermo Scientific Dionex eluent suppressors for ion chromatography Suppression was introduced in 97, thereby bringing ion chromatography (IC) to the forefront of modern analytical
More informationThe determination of trace anions in concentrated phosphoric acid
TECHNICAL NOTE The determination of trace anions in concentrated phosphoric acid Authors Edward Kaiser and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Keywords Ion chromatography, IC, IonPac
More informationDeterminations of Inorganic Anions and Organic Acids in Beverages Using Suppressed Conductivity and Charge Detection
Determinations of Inorganic Anions and Organic Acids in Beverages Using Suppressed Conductivity and Charge Detection Terri Christison, Linda Lopez Thermo Fisher Scientific, Sunnyvale, CA, USA Overview
More informationDetermination of Common Inorganic Anions in Environmental Waters Using a Hydroxide Selective Column
38 LCGC LCGC NORTH NORTH AMERICA VOLUME NUMBER FEBRUARY 4 4 www.chromatographyonline.com Determination of Common Inorganic Anions in Environmental Waters Using a Hydroxide Selective Column The United States
More informationfor IonPac AG11-HC IonPac AS11-HC
for IonPac AG-HC IonPac AS-HC IonPac AS-HC Manual Document No. 3333-7 Page of 45 PRODUCT MANUAL for the IONPAC AG-HC GUARD COLUMN (4 x 5 mm, P/N 59) ( x 5 mm, P/N 593) IONPAC AS-HC ANALYTICAL COLUMN (4
More informationsuppressors SRS -ULTRA Self-Regenerating Suppressor
suppressors SRS -ULTRA Self-Regenerating Suppressor The Self- Regenerating Suppressor utilizes AutoSuppression technology to enhance analyte conductivity while suppressing eluent conductivity. This results
More informationDetermination of Tartaric Acid in Tolterodine Tartrate Drug Products by IC with Suppressed Conductivity Detection
Determination of Tartaric cid in Tolterodine Tartrate Drug Products by IC with Suppressed Conductivity Detection Suparerk Tukkeeree, Chanita Chantarasukon, and Jeff Rohrer Thermo Fisher Scientific, angkok,
More informationAnalysis of Bulk Sodium Hypochlorite Feedstock for the Presence of HAAs and Other DBPs [Project #4412]
Analysis of Bulk Sodium Hypochlorite Feedstock for the Presence of HAAs and Other DBPs [Project #4412] ORDER NUMBER: 4412 DATE AVAILABLE: April 2013 PRINCIPAL INVESTIGATORS: Gary L. Emmert, Paul S. Simone
More informationHigh-Performance Chromatography Superior isocratic separation of
columns I o n P a c C S A C a t i o n - E x c h a n g e C o l u m n The IonPac CSA cation-exchange column provides fast analysis of mono- and divalent cations, ammonium, and aliphatic amines simultaneously
More informationSample Preparation for Ion Chromatography
Sample Preparation for Ion Chromatography Comprehensive Solutions to Sample Preparation Challenges Now sold under the Thermo Scientific brand Choose from a Broad Range of Solutions No matter what your
More informationHigh Sensitivity HPLC Analysis of Perchlorate in Tap Water Using an Agilent 6460 Triple Quadrupole LC/MS System
High Sensitivity HPLC Analysis of Perchlorate in Tap Water Using an Agilent 66 Triple Quadrupole LC/MS System Application Note Environmental Authors Don Noot, Matthew Noestheden, and Ralph Hindle Vogon
More informationThe Determination of Trace Anions in Concentrated Phosphoric Acid
Technical Note The Determination of Trace Anions in Concentrated Phosphoric Acid INTRODUCTION The determination of trace anions in phosphoric acid is hampered by a large excess of phosphate ion. Chloride
More informationIC Columns Introduction
IC Columns Introduction Alltech IC Column Specifications Column Composition ph Range Applications Anion Exchange Columns Allsep polymer-based anion ph 0 inorganic anions, weak and strong acid ions, exchanger,
More informationDetermination of an anionic fluorochemical surfactant in a semiconductor etch bath
APPLICATIN NTE 9 Determination of an anionic fluorochemical surfactant in a semiconductor etch bath Authors Mark Laikhtman and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords Ion chromatography,
More informationAnalysis of various clays with Metrohm Combustion IC
Branch General analytical chemistry Keywords IC 881 / Metrosep A Supp 5-150/4.0 / MMS 5000 / 920 / Absorber Module / Combustion Module / combustion ion chromatography / CIC / matrix elimination / fluoride
More informationApplication Note 136
Application Note 36 Determination of Inorganic Oxyhalide Disinfection Byproduct Anions and Bromide in Drinking Water Using Ion Chromatography with the Addition of a Postcolumn Reagent for Trace Bromate
More informationFor new orders of the following parts discussed in this manual, please use the updated part numbers listed below.
Errata Product Manual for Dionex IonPac UTAC2 and AC-ER 065376-0 For new orders of the following parts discussed in this manual, please use the updated part numbers listed below. Part Old Part Number in
More informationApplication of Eluent Generation for Trace Anion Analysis of Borated Waters
Application of Eluent Generation for Trace Anion Analysis of Borated Waters Edward Kaiser and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Application Note 166 Introduction Boric acid is used
More informationDetermination of trace anions in high-nitrate matrices by ion chromatography
APPLICATION NOTE 7 Determination of trace anions in high-nitrate matrices by ion chromatography Authors Edward Kaiser and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Keywords Contamination,
More informationFor new orders of the following parts discussed in this manual, please use the updated part numbers listed below.
Errata Product Manual for Dionex IonPac AS and AG Columns 03479-2 For new orders of the following parts discussed in this manual, please use the updated part numbers listed below. Part Old Part Number
More informationSimultaneous Determination of Paraquat and Diquat in Environmental Water Samples by HPLC-MS/MS
Simultaneous Determination of Paraquat and Diquat in Environmental Water Samples by HPLC-MS/MS Richard Jack, Xiaodong Liu, Leo Wang, and Chris Pohl OT70806_E 08/13S 1 The world leader in serving science
More informationCyanide and sulfide analysis using amperometric detection and Metrosep A Supp /4.0
Metrosep A Supp 10-100 /4.0 Branch Environment, Food, Beverages Keywords IC; 850; 858; Metrosep A Supp 10-100/4.0; Cyanide; Sulfide; 2.850.9110; DC Mode Summary The determination of sulfide and cyanide
More informationSuppression in anion chromatography. More sensitive analysis of anions and organic acids
Suppression in anion chromatography More sensitive analysis of anions and organic acids What is suppression? 02 Suppression plays a key role in the analysis of anions and organic acids using ion-exchange
More informationDetermination of Organic Acids and Inorganic Anions in Lithium-Containing Boric Acid-Treated Nuclear Power Plant Waters
Application Update 5 Determination of Organic Acids and Inorganic Anions in Lithium-Containing Boric Acid-Treated Nuclear Power Plant Waters INTRODUCTION For nuclear power plants using a pressurized water
More informationNovel Electrodeionization Devices: Applications in Inorganic Analysis
Novel Electrodeionization Devices: Applications in Inorganic Analysis John M. Riviello and Archava Siriraks ABSTRACT Electrodeionization (EDI) is a well established technique for the production of ultrapure
More informationDetermination of trace anions in basic solutions by single pass AutoNeutralization and ion chromatography
APPLIATION NOTE 78 Determination of trace anions in basic solutions by single pass AutoNeutralization and ion chromatography Authors Soon Fatt Lee, Aaron Rose, Terri hristison, and Jeff Rohrer Thermo Fisher
More informationApplication Note 149. ) as shown in the following set of reactions: 9. BrO I + 3H + 3HOI + Br 3HOI + 3I + 3H + 3I 2 O 3I 2 + 3H 2 3I 3 + 3I
Application Note 149 Determination of Chlorite, Bromate, Bromide, and Chlorate in Drinking Water by Ion Chromatography with an On-Line-Generated Postcolumn Reagent for Sub-µg/L Bromate Analysis INTRODUCTION
More informationINSTALLATION INSTRUCTIONS and TROUBLESHOOTING GUIDE. for the OnGuard- CARTRIDGE
INSTALLATION INSTRUCTIONS and TROUBLESHOOTING GUIDE for the OnGuard- CARTRIDGE (OnGuard-RP, P/N 039595) (OnGuard-H, P/N 039596) (OnGuard-P, P/N 039597) (OnGuard-Ag, P/N 039637) (OnGuard-A, P/N 042102)
More informationDetermination of Silicate in High Purity Water Using Ion Chromatography and AutoPrep
pplication Note 70 Determination of Silicate in High Purity Water Using Ion Chromatography and utoprep Introduction The water used in the manufacture of semiconductors and other modern electronic components
More informationDetermination of trace anions in high-purity waters by high volume/direct injection ion chromatography
APPLICATION NOTE 113 Determination of trace anions in high-purity waters by high volume/direct injection ion chromatography Author Edward Kaiser Thermo Fisher Scientific, Sunnyvale, CA Keywords Trace ionic
More informationDetermination of haloacetic acid in water for human consumption by UPLC-MS/MS
Determination of haloacetic acid in water for human consumption by Paula S. Rosa, Margarida S. Romão, Georgina S. Felisberto Laboratório de Análises do Instituto Superior Técnico, Universidade de Lisboa,
More informationION CHROMATOGRAPHY SYSTEM S 150
ION CHROMATOGRAPHY SYSTEM S 150 WATER ANALYSIS ENVIRONMENTAL ANALYSIS ANION & CATION ANALYSIS ION CHROMATOGRAPHY IIon Chromatography is an analytical separation technique based on ionic interactions. Dissolved
More informationEPA Method 535: Detection of Degradates of Chloroacetanilides and other Acetamide Herbicides in Water by LC/MS/MS
EPA Method 535: Detection of Degradates of Chloroacetanilides and other Acetamide Herbicides in Water by LC/MS/MS Christopher Borton AB SCIEX Golden, Colorado verview Described here is the analysis of
More informationDetermination of silicate in high-purity water using ion chromatography and online sample preparation
PPLICTION NOTE 70 Determination of silicate in high-purity water using ion chromatography and online sample preparation uthors Weerapong Worawirunwong and Jeffrey Rohrer Thermo Fisher Scientific, Bangkok,
More information