ТА LAB ANALYZER. voltammetric analyzers. Detected admixtures. Usability. Technical features. Characteristic features

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2 voltammetric analyzers ТА LAB ANALYZER Automated device with three measurement channels and two sources of UV radiation of analyzed solutions. The principle of operation is stripping voltammetry with the use of linear, staircase, differential pulse, and square-wave potential sweep. The device is ideal for research laboratories in need of high quality and reliable equipment to detect toxic trace impurities; it is equally suitable for routine analysis and scientific research. TA Lab analyzer is included in the Russian Federal Registry. It is authorized for use in the EU countries and approved in Belarus, Kazakhstan and Ukraine. Detected admixtures Water Air Soil Solid waste Food products Drinks Fish products Fat products As, Cd, Pb, Cu, Zn, Mn, Hg, Se, I, Ni, Co, Fe, Ag, Sb, Bi Cd, Pb, Cu, Zn, Ni As, Cd, Pb, Cu, Zn, Mn, Hg, Ni, Co As, Cd, Pb, Cu, Zn, Mn, Hg, Ni, Co As, Cd, Pb, Cu, Zn, Se, I, Sn As, Cd, Pb, Cu, Zn, Se, I, Sn Hg, As, Cd, Pb, Cu, Zn, Se, I, Sn As, Cd, Pb, Cu, Zn, Ni, Co, Se, I Two sources of UV radiation (total power = 22W) affect the analyzed solutions from two sides, which allows: detecting Zn, Cd, Pb, Cu, I in drinking and natural water (рн>4) without preliminary sample preparation; reducing measurement time, reducing reagent consumption and increasing sensitivity of Cd, Pb, Zn, Cu, Sn, Se, I detection in water and food products. Ozone barbotage of analyzed solutions allows: detecting Hg in water without preliminary sample preparation; reducing the time of cleaning of the electrochemical cells when detecting heavy metals Vibration of indicating electrode in the course of measurements improves repeatability and increases measurement sensitivity. Metrological characteristics are estimated along with the result of analysis. Each electrode is stored and installed with a specialized cap, which prevents operator s contact with the working surface of an electrode. The equipment package is complete with the materials aimed at facilitating the training and the use of analyzer: a DVD with a video tutorial, which covers the theoretical foundations of the stripping voltammetry method and gives a detailed description of analysis procedure; a manual for analysis by means of stripping voltammetry method using TA Lab analyzer; adjustable pipettors. Each cell is equipped with light emitting diodes. The analyzer can be wirelessly connected to a computer via Bluetooth, which allows placing the analyzer as far as 10 meters away from the computer, the computer being able to perform other tasks while the work of the analyzer is in progress. The analyzer can be complete with a set of glassware and the assay kit necessary for each of the analisys techniques. The range of measurements Duration of simultaneous analysis of three prepared samples Overall dimensions mg/l 5 30 min 265х103х262 mm There are three electrochemical cells in the analyzer, so it is possible to simultaneously analyze three samples under repeatability conditions. tel./fax: +7 (3822) ,

3 PAN As ANALYZER Automated device with three measurement channels, which is intended to detect arsenic in various objects by method of stripping voltammetry without using a computer and with minimal operator involvement. Analysis automation eliminates the risk of operator mistake, reduces requirements to operator qualification and enhances productivity. Analyzer can be used for research, since it allows evaluating parameters of arsenic analytical signals in addition to visualizing them. voltammetric analyzers Measurement range of mass arsenic concentrations: in the analyzer cell solution mg/l in the drinking, natural, mineral and sewage water mg/l in food products, food stock, dietary supplements mg/kg in soil, bottom sediments mg/kg Overall dimensions 255х155х115 mm Mass 2.0 kg The presence of three working electrodes in the electrochemical cell allows obtaining three independent sample analysis results simultaneously. A touchpad located at the graphic display is used to control the PAN As analyzer operation. Analyzer use does not require training of a specialist, since analysis is performed in the interactive mode. Operator can view calibration charts and voltamperograms with arsenic analytical signal, and this enhances reliability of analysis results and confidence of operator in their accuracy. Analysis results can be saved in the archive and viewed later. The device can be connected to a computer to archive, review, and print out the results of analysis and the registered arsenic signals. Analysis results are calculated based on calibration chart and addition technique. Moreover, it is possible to simultaneously obtain and view the analysis results based on calibration chart and addition technique. In order to obtain the result based on calibration chart, operator performs three operations: adding solution of the prepared sample into the cell, entering the sample parameters and pressing the button «Start». Analysis result (arsenic concentration in the analyzed sample) and error characteristic are automatically calculated based on two (or three) independent results obtained simultaneously. Electrodes are installed into analyzer using electrode caps that prevent operator contact with the working surface of an electrode. It is possible to detect both gross arsenic content and the content of its valence forms As(III) and As(V) in various types of water. The analyzer set is complete with two adjustable pipettors to facilitate the analysis. The sample analysis on PAN As analyzer is carried out according to the analyzer manual and analyzing methods registered with the Federal Information Foundation for the Assurance of Measurement Uniformity. The analyzer set is complete with the analysis techniques and two pipettors. tel./fax: +7 (3822) ,

4 METHODOLOGY SUPPORT OF ANALYZERS Methods of analysis present a detailed and comprehensible overview of the sample preparation procedure with the indication of temperature processing, procedure of taking measurements and quality control of analysis when performed in a lab. Lower boundary of detected contents, mg/kg Detected element Food Dietary Fats Drinks Soil Objects of analysis Solid Waste Air, mg/m 3 Dishware Toys Arsenic Mercury Cadmium * Lead * Copper * Zinc * Tin Nickel * Cobalt 0.10* 0.10 Selenium Iodine Manganese *The method allows detecting water-soluble, acid-soluble elements and elements in a moving state as well as their gross contents Detected element Range of measurements, mg/l Arsenic (III) Arsenic (V) Arsenic Cadmium Lead Copper Zinc Mercury Silver Nickel Cobalt Selenium Iodine Iodides Iodates voltammetric analyzers Water: natural, drinking and waste Method features Analysis of more than 200 samples without regenerating the electrode surface. Sample preparation time is 2 hours Detection of Zn, Cd, Pb, Cu is carried out simultaneously. Express sample preparation combined with registration of analytic signal Express sample preparation; Efficient method of cleaning the cells and glassware Sample preparation within hours. Express analysis without preliminary sample preparation is possible Simultaneous detection of Co and Ni. Sample preparation within hours Electrochemical cell is subject to UV radiation to enhance analysis sensitivity and precision Express sample preparation combined with registration of analytic signal. Use of indicator electrode not requiring the use of metallic mercury and its salts Manganese Express-analysis without preliminary sample preparation and with no use of inert gas Iron One sample analysis duration no more than 5 min. Content detection in a range of mg/l is possible when the sample is concentrated by evaporation Antimony Sample preparation within hours Bismuth Sample preparation within hours tel./fax: +7 (3822) ,

5 ELECTRODES Tomanalyt produces a wide range of electrodes for voltammetric analyzers. Electrodes are equipped with protective caps to ensure safe storage and convenient installation. Dedicated injection molding technologies are used for production of electrodes. This allows arranging production of large lots of electrodes with identical parameters and low cost. Silver chloride electrode This electrode is a helix made of silver wire coated with silver chloride (AgCl), placed into a polypropylene case with semipermeable plug made of aluminum oxide (Al2O3), that is filled with potassium chloride solution (KСl). These electrodes are used as reference and auxiliary electrodes. They ensure resistance of no more than 1000 Ohm. Carbon containing electrode It consists of the polyethylene case filled with polyethylene (70%) and solid carbon composite (30%). By electrochemically applying gold, platinum or mercury to the electrode surface one obtains microelectrode ensembles characterized by high sensitivity and stability of operation. It is used to detect mercury, arsenic, silver, chrome, iron, nitrates, selenium, antimony, copper. Silver modified electrode This electrode consists of a polyethylene rod, the lower part of which contains a silver rod with a surface covered with solid solution of mercury in silver. This electrode does not require the use of metallic mercury in the process of operation. It is used as a working electrode to detect iodine, cadmium, lead and selenium. voltammetric analyzers Amalgam electrode This electrode consists of a polyethylene base, the lower part of which contains a silver rod with a silver amalgam covered surface. Mercury film is deposited on the silver surface in the analyzer cell in the automatic mode by mercury electrolysis from saturated solution of univalent mercury nitrite. In order to ensure operator safety, electrodes are installed, removed and stored in special protective caps. Electrodes are used to detect zinc, cadmium, lead, copper, manganese, antimony, bismuth, tin, nickel, cobalt, iodine, and a number of organic substances. Device for regeneration of electrode surface The device is designed to regenerate the working surface of carbon containing electrodes. The thickness of the electrode layer that is cut off is mm. Graphite, glassy carbon, silver and platinum electrodes can be made on special order. tel./fax: +7 (3822) ,

6 SOFTWARE ТA Lab software is designed to operate the TA Lab and TA Universal analyzers. TA Lab software performs the functions necessary for quick and accurate analysis of various samples and scientific voltammetry research. The software is based upon traditional principles, typical for MS Windows office programs, which facilitates its use. The program allows performing other tasks on computer while the device is in operation (Internet, typing and editing of other files). Calculation of analysis results is conducted by standard addition method and/or according to the standard. Analytical signals of the elements detected are extracted automatically, the software allowing: extracting from 1 to 99 consecutive signals under repeatability conditions; identification of signals; automatic exclusion of non-reproducible signals; auto scaling of signals; identification of signal strength. Operator can adjust the program by means of: changing the duration of any of the measurement stages; voltammetric analyzers manual exclusion of signals from the calculations; manual extraction of signals; adjusting the scale of signals displayed; recalculation of analysis results by means of signals reworking. Analysis result and error characteristics are automatically calculated based on two (or three) single measurement results obtained simultaneously in the analyzer cells. In order to calculate the result, operator can choose to use the lab estimated or assigned error characteristics (at P=0.95 and at P=0.90). It is possible to print out, store in the analysis report, archive and convert the measurement results into other MS Windows software formats. Operator can control the displayed number, position and scale of analytical signals. Software allows: creating new measurement techniques; turning-on stirring, UV radiation or barbotage of the analyzed solution with inert gas/ozone at the stage of analytical signal registration; converting the registered voltammetry charts digitally into Excel format. tel./fax: +7 (3822) ,

7 TA UNIVERSAL ANALYZER TA Universal is designed to measure ph index, mass and molar concentration of microelements, anions, cations in drinking, natural, waste water, water solutions of soil samples, food products, food stock, biological objects and other materials capable of forming solutions by means of relevant sample preparation. Wide range of the analyzer functional capabilities can satisfy the needs of a small testing lab as well as a research and development center. voltammetric analyzers The range of measurements by potentiometry method: hydrogen index ph molar concentration of anions and cations mole/l Range of mass concentration measurements by method of mg/l stripping voltammetry Time of analysis of three prepared 5 30 min samples Overall dimensions 265х90х262 mm Mass 2.9 kg The standardized and certified measurement techniques include the requirements for measurement error of molar mass concentration of elements, anions and cations in various objects by potentiometry and voltammetry methods. The only analyzer combining the functions of a voltammetry analyzer and a ph meter/ionometer. TA Universal includes: one cell for measurement by potentiometry method; three cells with solution backlight for voltammetric analysis making it possible to simultaneously achieve three analysis results; two sources of UV radiation (total power = 22W) designed to irradiate solutions for voltammetric analysis; temperature sensor to measure the temperature of the solutions analyzed. TA Universal operates under computerized control offering the possibility of analysis by direct potentiometry and direct, cyclic and stripping voltammetry methods. Mixing in the electrochemical cells for voltammetry measurements is carried out by vibration of indicating electrode and by submersible stirrer in the electrochemical cells for potentiometry measurements. The duration and intensity of mixing is set and controlled by software. Temperature autocompensation is carried out when measuring ph. The analyzer can be complete with set of various types of electrodes including electrode combination. Calculation of analysis result is performed automatically taking into account the lab error characteristics. Software allows: displaying the registered data in a graphic and digital form; archiving the results of measurements; creating new measurement techniques. tel./fax: +7 (3822) ,

8 рh meter/ion meters ITAN ph meter/ion meter Itan is a table based automated device, which includes LCD with a sensor control panel, in built magnetic stirrer and a rack for electrodes. The device is designed to measure ph, px, molar and mass concentrations of ions, and oxidation reduction potentials (Eh) by potentiometry method. Measurement range: hydrogen index ph molar concentration of anions and cations mole/l solution temperature о С Limits of the main admissible absolute error of hydrogen index measurement: by measuring transmitter ± ph by measuring transmitter complete with electrode system in solutions with temperature of (25.0±0.5) о С by measuring transmitter complete with electrode system in solutions with temperature from 10 to 60 о С Limits of the main admissible relative error of molar anion and cation concentration measurement with a measuring transmitter Overall dimensions Mass ±0.030 ph ±0.050 ph ±1.0 % 260x155x100 mm 1.3 kg Magnetic stirrer and electrode rack are integrated into the analyzer body. Device is compatible with all types of electrodes including electrode combinations. Metallic case is resistant to chemical and mechanic impact. Calibration chart can be constructed based on 2 10 points. Calibration chart can be displayed in the form of a table or a graph. Calibration chart is linearized and outlying points are automatically excluded. Steepness of the electrode function is calculated and compared with its certified value for the electrode. Calibration chart is verified on the basis of one or two standard solutions. Temperature compensated measurement of ph with respect to isopotential point coordinates of the electrode used. Automatic or manual process end after potential is stabilized at operator s will. Automatic calculation of analysis result based on two to four individual measurements taking into account the method accuracy and repeatability indicators. Calculation of analysis results in рх units, mole/l (mole/kg), mg/l (mg/kg) taking into account the analyzed sample parameters. Temperature of the analyzed solution is displayed on the screen. Measurement results, electrode characteristics and measurement parameters are stored in the analyzer memory. Stirring with magnetic stirrer is controlled in the automatic mode by setting the relevant commands in technique parameters (stirring level, presence of stirring before and during measurement). Stirring of solutions can be carried out independently of the measurements if the duration and the level of stirring are controlled. tel./fax: +7 (3822) ,

9 рh meter/ion meters TA ION ph meter/ion meter TA Ion is a desktop automated device, which includes an integrated cup holder for the analyzed solution, a magnetic stirrer and rack with a clamp for electrodes. Control over device operation, as well as processing, display and storage of measurement results are carried out by computer installed software. TA Ion is designed to measure ph, molar concentration of anions and cations by potentiometry method in drinking, natural, sewage waters, water solutions of soil samples, food products, food stock, biological objects and other materials capable of forming solutions under relevant sample preparation. Measurement range: hydrogen index ph Molar concentration of anions and cations mole/l solution temperature о С Limits of the main admissible absolute error of hydrogen index measurement: by measuring transmitter ± ph by measuring transmitter complete with electrode system in solutions ± ph with temperature of (25.0±0.5) о С by measuring transmitter complete with electrode system in solutions with temperature from 10 to 60 о С Limits of the main admissible relative error of molar anion and cation concentration measurement with a measuring transmitter Overall dimensions Mass ±0.040 ph ±1.0 % 90x145x53 mm 0.5 kg ph meter/ion meter is powered via computer USB-port. Stirring with magnetic stirrer is controlled in the automatic mode by setting the relevant commands in technique parameters (stirring duration and intensity, measurement stage). Temperature compensated measurement of ph is carried out with respect to isopotential point coordinates of the electrode used. The process ends after potential is stabilized automatically or manually at operator s will. Calculation of analysis result is carried out automatically based on 2 to 15 individual measurements taking into account the method accuracy and repeatability indicators. Equation and correlation coefficient of the calibration chart are calculated and the calibration chart characteristics are automatically compared with certified data of the electrode used. Calibration chart is verified on the basis of one or two standard solutions. Calibration chart is linearized and outlying points are automatically excluded. Possibility to construct calibration chart based on 2 15 points. Possibility to view calibration chart as a table or as a graph. Measurement of potential in the course of measurement in each solution is displayed as a graph and as a table. Calculation of the analysis result in px, mole/l (mole/kg), mg/l (mg/kg) units taking into account parameters of the analyzed sample. Temperature of the analyzed solution is displayed on the screen. Calibration charts, measurement results, parameters of measurement techniques, electrode characteristics are stored in the computer memory. Software interface can be set at operator s convenience. It is possible to print out and convert the measurement results into other software formats. tel./fax: +7 (3822) ,

10 PROGRAMMABLE TWO CHAMBER PDP FURNACES We offer a series of programmable sample preparation devices for convenience and improved efficiency of sample preparation. Programmable two chamber furnaces are space efficient, high speed devices designed for vaporization and cineration of samples for subsequent analysis by various methods. Furnaces are controlled by a control panel that sets and stores no less than 9 programs of thermal sample treatment in its memory. Each program can include up to 9 stages with set values of time and temperature. sample preparation devices Range of working temperatures in the working volume of the cineration chamber Non-uniformity of temperature in the volume of cineration chamber Time of the cineration chamber heating up to 700 С Range of working temperatures of the vaporization chamber heating surface о С ± 5 о С 18 min С Overall sizes PDP-Lab PDP Analytica Furnace 30х210х200 mm 430х230х220 mm Control panel 185х85х35 mm 185х85х35 mm Vaporization chamber heating 278х41 mm 300х80 mm surface Cineration chamber 278х68х80 mm 278х68х80 mm Cineration chamber 1.4 L 1.4 L Mass 4.5 kg 5.5 kg PDP furnaces include: closed muffle type chamber; semi closed (or open) electric hot plate type chamber placed upon the muffle type chamber; control panel offering 9 programs of thermal treatment for each chamber and up to 9 automatically temperature and time controlled stages in each program. The furnace set comprises: quartz crucibles of the volume indicated by the customer: 20 cm 3, 50 cm 3, 65 cm 3, 100 cm 3 ; methodology guidelines on mineralization of food product samples; appraisal technique. Vaporization and cineration processes are controlled independently and can be performed simultaneously. Components of furnace case are made of stainless steel, which makes it possible to use it in the presence of aggressive acid vapors. Possibility of setting and storing 9 programs of thermal sample treatment stages for each chamber in the memory. In the course of device operation, depending on the intensity of the process it is possible: to decrease or increase (up to 999 min.) the time of thermal treatment; to manually switch to one of the following or preceding stages of the set thermal treatment program. Sample preparation time: beverages hours fish, milk hours meat, coffee, tea hours fats, oils hours grits, grains, flour hours. tel./fax: +7 (3822) ,

11 sample preparation devices We offer a series of specialized sample preparation devices for convenience and improved efficiency of sample preparation for analysis. PROGRAMMABLE SECTION PLATE PSP 2 ADJUSTABLE PLATE RP 1 This is an electrical plate with adjustable temperature of the heating surface. The mode of operation is controlled by a temperature regulating knob. This is an electric plate with two heating surfaces, which can operate simultaneously or independently at different temperature settings. Control panel sets and controls the plate parameters and modes. The control panel offers: programs of thermal treatment for each section 9; automatically temperature and time controlled stages in each program from 1 to 9; time of stage implementation from the moment of set temperature achievement min. Programming of temperature settings allows conducting uniform vaporization of huge volumes of liquid samples with no additional supervision by the operator. Range of working temperatures of the heated plates Time of plate heating up to maximum temperature Circuit insulation resistance (in normal conditions) Overall dimensions: С 20 min 20 MOhm plate 330х320х120 mm heating surface 220х285 mm Mass 3 kg Range of working temperatures of the heated plates С Cover material of the plate working surface aluminum oxide Time of section heating-up to maximum temperature 20 min Overall dimensions: control panel 185х85х35 mm two section plate 440х360х120 mm single heating plate 170х270 mm Mass 5.7 kg OZONE GENERATOR TA OZONE TA Ozone is designed to drive ozone through electro- chemical cells of voltammetric analyzers TA Lab, TA 4, TA Universal and to clean chemical glassware. Ozone generator is used for: cleaning electrochemical cells when detecting mercury in various objects; preparing water samples for analysis when detecting mercury content by stripping voltammetry method; cleaning chemical glassware used for mercury detection by various methods; cleaning chemical glassware of detected elements contents when analyzing water by the method of stripping voltammetry. tel./fax: +7 (3822) ,

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