Bürette mit geradem Hahn. Burette with straight stopcock. Bürette mit geradem Teflon-Hahn. Burette with straight teflon stopcock
|
|
- Harriet Dean
- 5 years ago
- Views:
Transcription
1 Bürette mit geradem Hahn DURAN-Glas, Klarglas, Klasse AS Burette with straight stopcock made of DURAN glass, clear glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit geradem Teflon-Hahn DURAN-Glas, Klarglas, Klasse AS Burette with straight teflon stopcock made of DURAN glass, clear glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
2 Bürette mit geradem Hahn DURAN-Glas, Schellbach, Klasse AS Burette with straight stopcock made of DURAN glass, Schellbach stripe, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit geradem Teflon-Hahn DURAN-Glas, Schellbach, Klasse AS Burette with straight teflon stopcock made of DURAN glass, Schellbach stripe, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
3 Bürette mit geradem Hahn DURAN-Glas, Braunglas, Klasse AS Burette with straight stopcock made of DURAN glass, amber glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit geradem Teflon-Hahn DURAN-Glas, Braunglas, Klasse AS Burette with straight teflon stopcock made of DURAN glass, amber glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
4 Bürette mit seitlichem Hahn DURAN-Glas, Klarglas, Klasse AS Burette with lateral stopcock made of DURAN glass, clear glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit seitlichem Teflon-Hahn DURAN-Glas, Klarglas, Klasse AS Burette with lateral teflon stopcock DURAN glass, clear glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
5 Bürette mit seitlichem Hahn DURAN-Glas, Schellbach, Klasse AS Burette with lateral stopcock DURAN glass, Schellbach stripe, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit seitlichem Teflon-Hahn DURAN-Glas, Schellbach, Klasse AS Burette with lateral teflon stopcock DURAN glass, Schellbach stripe, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
6 Bürette mit seitlichem Hahn DURAN Glas, Braunglas, Klasse AS Burette with lateral stopcock made of DURAN glass, amber glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Bürette mit seitlichem Teflon-Hahn DURAN Glas, Braunglas, Klasse AS Burette with lateral teflon stopcock made of DURAN glass, amber glass, class AS ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
7 Titrierbürette nach Pellet ohne Zwischenhahn Duran-Glas, Klarglas, Klasse AS, ohne Flasche, ohne Gebläse Titration-Apparatus acc. to Pellet without stopcock made of Duran glass, clear glass, class AS, without bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet ohne Zwischenhahn Duran-Glas, Klarglas, Klasse AS jedoch mit seitlichem Teflon-Hahn, ohne Flasche, ohne Gebläse Titration Apparatus acc. to Pellet without stopcock made of Duran glass, clear glass, class AS but with lateral teflon stopcock, without bottle and bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
8 Titrierbürette nach Pellet ohne Zwischenhahn DURAN-Glas, Schellbach, Klasse AS, ohne Flasche, ohne Gebläse Titration Apparatus acc. to Pellet without stopcock made of DURAN glass, with Schellbach-stripe, class AS, without bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet ohne Zwischenhahn DURAN-Glas, Schellbach, Klasse AS jedoch mit seitlichem Teflon-Hahn ohne Flasche, ohne Gebläse Titration Apparatus acc. to Pellet without stopcock made of DURAN glass, with Schellbach-stripe, class AS but with lateral teflon stopcock without bottle and bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
9 Titrierbürette nach Pellet ohne Zwischenhahn DURAN-Glas, Braunglas, Klasse AS, ohne Flasche und Gebläse Titration-Apparatus acc. to Pellet without stopcock made of DURAN glass, amber glass, class AS, without bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet ohne Zwischenhahn DURAN-Glas, Braunglas, Klasse AS jedoch mit seitlichem Teflon-Hahn ohne Flasche und Gebläse Titration-Apparatus acc. to Pellet without stopcock made of DURAN glass, amber glass, class AS but with lateral teflon stopcock without bottle and bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
10 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Klarglas, Klasse AS,ohne Flasche und Gebläse Titration-Apparatus acc. to Pellet with stopcock made of DURAN glass, clear glass, class AS, wihout bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Klarglas, Klasse AS jedoch mit seitlichem Teflon-Hahn ohne Flasche und Gebläse Titration-Apparatus acc. to Pellet with stopcock made of DURAN glass, clear glass, class AS but with lateral teflon stopcock without bottle and bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
11 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Schellbach, Klasse AS mit Flasche und Gebläse Titration Apparatus acc. to Pellet with stopcock made of DURAN glass, with Schellbach-stripe, class AS with bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Schellbach, Klasse AS jedoch mit seitlichem Teflon-Hahn mit Flasche und Gebläse Titration Apparatus acc. to Pellet with stopcock made of DURAN glass, with Schellbach-stripe, class AS but with lateral teflon stopcock with bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
12 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Braunglas, Klasse AS, mit Flasche und Gebläse Titration-Apparatus acc. to Pellet with stopcock made of DURAN glass, amber glass, class AS, with bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2 Titrierbürette nach Pellet mit Zwischenhahn DURAN-Glas, Braunglas, Klasse AS jedoch mit seitlichem Teflon-Hahn mit Flasche und Gebläse Titration-Apparatus acc. to Pellet with stopcock made of DURAN glass, amber glass, class AS but with lateral teflon stopcock with bottle and rubber bulb ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,2
13 Titrierbürette mit festem Nullpunkt mit unzerbrechlichem Auslaufrohr, Klarglas, mit Schellbachstreifen, mit Flasche und Fuß Titration Apparatus with fixed zero-point with unbreakable delivery tube, clear glass, with Schellbach-stripe, main points ring-graduation, with bottle and base ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,1 Titrierbürette mit festem Nullpunkt mit austauschbarem NS-Glashahn, Klarglas, mit Schellbachstreifen, mit Flasche und Fuß Titration Apparatus with fixed zero-point with interchangeable NS-glass-stopcock, clear glass, with Schellbach-stripe, with bottle and base ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,1
14 Titrierbürette mit festem Nullpunkt mit austauschbarem NS-Teflonhahn, Klarglas, mit Schellbachstreifen, mit Flasche und Fuß Titration Apparatus with fixed zero-point with interchangeable NS-teflon-stopcock, clear glass, with Schellbach-stripe, with bottle and base Code No. Size ml : 0, ml : 0, ml : 0, ml : 0, ml : 0,1
15 Bürettenflasche für Titrierbüretten nach Pellet aus Glas Reservoir bottle for Titration-Apparatus acc. to Pellet made of glass ml Klarglas / clear glass ml Braunglas / amber glass Gebläse aus Gummi für Titrierbüretten Rubber bulb for Titration-Apparatus nach Pellet acc. to Pellet
16 Meßzylinder Klasse B aus Borosilikatglas, hohe Form, Sechskantfuß, mit Ausguß, Strichteilung Graduated cylinder class B made of borosilicate glass, tall shape, with hexagonal base, with spout, short-line graduation Lieferbare Grössen: Sizes available: Code No. n Sizes ml ml ml ml ml ml ml ml ml Meßzylinder Klasse A aus Borosilikatglas, hohe Form, Sechskantfuß, mit Ausguß, Hauptpunkte-Ringteilung Graduated cylinder class A made of borosilicate glass, tall shape, hexagonal base, with spout, main points ring-graduation Code No. n Sizes ml ml ml ml ml ml ml ml ml
17 Meßzylinder Klasse B aus Glas, hohe Form, ohne Fuß, mit Ausguß, Strichteilung Graduated cylinder class B made of glass, tall shape, without base, with spout, short-line graduation Lieferbare Grössen: Sizes available: Code No. n Sizes ml ml ml ml ml ml ml ml
18 Mischzylinder Klasse B hohe Form, Sechskantfuß, Borosilikatglas, mit NS-Kunststoff-Stopfen Mixing cylinder class B tall shape, hexagonal base, borosilicate glass, with NS-plastic-stopper Code No. n Sizes ml ml ml ml ml ml ml ml
19 Plastikfuß für obige Meßzylinder Polyäthylen Plastik base for above cylinders Polyethylene Code No. n Sizes ml ml ml ml ml ml ml ml
20 Schutzring für Meßzylinder Polyäthylen Protective ring for measuring cylinders Polyethylene Lieferbare Grössen: Sizes available: Code No. n Sizes ml ml ml ml ml ml ml ml
21 Meßkolben Klasse A aus Duran-Glas, mit NS-Polyätylenstopfen, eichfähig, mit 1 Ringmarke Volumetric flask class A made of Duran-glass, with NS-polyethylene-stopper, appropriate for official verification, with 1 circular mark Lieferbare Grössen: Sizes available: n NS Code No. Sizes ml ml ml ml ml ml ml ml ml ml ml ml ml 29 Meßkolben Braunglas auf Anfrage erhältlich Volumetric flask amber can be supplied upon request Meßkolben Klasse A aus Duran-Glas, mit NS-Glasstopfen, eichfähig, mit 1 Ringmarke Volumetric flask class A made of Duran-glass, with NS-glass-stopper, appropriate for official verification, with 1 circular mark n NS s ml ml ml ml ml ml ml ml ml ml ml ml ml 29
22 Milch-Butyrometer, DIN, ISO aus Glas, für die Milchfettbestimmung, flache Ausführung, mit glattem oder Rillenhals Butyrometer for milk, DIN, ISO made of glass, for determination of the milk fat, flat type, with smooth or grooved neck Code No. n Sizes % : 0, % : 0, % : 0, % : 0, % : 0, % : 0, % : 0, % : 0, % : 0,1 auf Anfrage auch amtlich geeichte Butyrometer lieferbar! Butyrometers are also available officially tested! Magermilchbutyrometer nach Siegfeld, ISO Skim milk butyrometer acc. to Siegfeld, ISO n s ,5% : 0,02
23 Magermilchbutyrometer nach Sichler Skim milk butyrometer acc. to Sichler n s % : 0,01 Magermilchbutyrometer nach KEHE Skim milk butyrometer acc. to KEHE n s % : 0, % : 0,05 Präzisionsbutyrometer für Trink- und Kesselmilch, DIN; ISO Precision butyrometer for liquid milk and vat milk, DIN, ISO n s % : 0,05 Quarkbutyrometer nach Van Gulik Quarg butyrometer (curd butyrometer) n s % : 0,2
24 Käsebutyrometer nach Van Gulik, DIN, ISO Cheese butyrometer acc. to Van Gulik n s % : 0,5 Käsebutyrometer BS 969 Cheese butyrometer BS 696 n s % : 1,0 BS 696 Trockenmilchbutyrometer nach Teichert Milk powder butyrometer acc. to Teichert n s % : 0, % : 0, % : 1,0 Rahmbutyrometer nach Köhler Abmessverfahren 5 ml Cream butyrometer acc. to Koehler measuring method 5 ml Code No. n Sizes % : 0, % : 0, % : 1, % : 1, % : 1, % : 1,0
25 Eiscremebutyrometer nach Köhler Abmessverfahren 5 ml Ice cream butyrometer according to Koehler Measuring method 5 ml n s % : 0, % : 0, % : 0,2 Rahmbutyrometer BS 696 Cream butyrometer BS 696 n s % : 1,0 BS 696 Rahmbutyrometer nach Schulz, DIN Wägeverfahren 5 g Cream butyrometer acc. to Schulz, DIN weighing method 5 g n s % : 0,5 Rahmbutyrometer nach Roeder, DIN Wägeverfahren 5 g Cream butyrometer acc. to Roeder, DIN weighing method 5 g n s % : 0, % : 0, % : 1, % : 1, % : 0, % : 0,5
26 Kondensmilchbutyrometer nach Roeder, Wägeverfahren 5 g Condensed milk butyrometer acc. to Roeder, weighing method 5 g n s % : 0,1 Butter-Butyrometer nach Roeder, DIN Wägeverfahren 5 g Butter butyrometer acc. to Roeder, DIN weighing method 5 g n s % : 0,5 Produkten-Butyrometer nach Roeder Wägeverfahren 5 g Food butyrometer acc. to Roeder Wägeverfahren 5 g Code No. n Sizes % : 1,0
27 Wägebecher Weighing beaker Code No. n Sizes für Rahm (ohne Löcher) / for cream (without holes) für Käse (mit 16 Löchern) / for cheese (with 16 holes) für Butter mit 2 Löchern / for butter with 2 holes für Käse, mit 16 Löchern, kurz, / for cheese, with Glasnagel für Trockenmilchbutyrometer Glass nail for milk powder butyrometer Wägeschiffchen Weighing boat Code No n Sizes Gummistopfen Rubber Stopper n s x 16 x 40 mm Milch-/Rahmbutyrometer nach Koehler milk/cream butyrometer acc. to Koehler x 13 x 20 mm Käse-/Rahmbutyrometer, klein nach Roeder cheese/cream butyrometer, short x 22 x 30 mm Käse-/Rahmbutyrometer nach Roeder, mit Loch cheese/cream butyrometer acc. to Roeder, with hole x 22 x 30 mm Trockenmilchbutyrometer milk powder butyrometer
PROPERTIES OF USED GLASSES
WERTLAB GERMANY PROPERTIES OF USED GLASSES PROPERTIES OF USED GLASSES Glass tubes made from two types of glass are utilized for the production of laboratory volumetric glassware and other types of laboratory
More informationBasic Equipments and Instruments used in Chemistry laboratory: Balance: It is an instrument for measuring mass.
Basic Equipments and Instruments used in Chemistry laboratory: Balance: It is an instrument for measuring mass. Pipettes: They are used to transfer of known volumes of liquids from one container to another.
More informationVolumetric Measurement Techniques. Technique #1 Use of a Burette. Technique #2 Use of a Pipette. Technique #3 Use of a Volumetric Flask
Volumetric Measurement Techniques Technique #1 Use of a Burette Technique #2 Use of a Pipette Technique #3 Use of a Volumetric Flask Technique #4 Use of a Bottle-Top Dispenser Last updated 12/6/2009 5:46
More informationCALIBRATION OF LABORATORY GLASSWARE: BUTYROMETER, PIPETTES, LACTOMETERS, THERMOMETER AND BURETTES
CALIBRATION OF LABORATORY GLASSWARE: BUTYROMETER, PIPETTES, LACTOMETERS, THERMOMETER AND BURETTES 20.1 Introduction In dairy plant, milk is critically analyzed for composition and quality during reception,
More informationBurettes, PTFE key, class AS, works certified. Product Code Capacity (ml) Grads. ml. Burettes, PTFE key, class AS
Burettes, PTFE key, class AS, works certified l ndividually tested and supplied with certificate showing exact volume dispensed at 3 points on the scale l ndividual serial number and certificate provides
More informationLAB 15. Traceability: Volumetric Apparatus. Edition 3 February 2019 Draft for Consultation. LAB 15 / Issue: 3 Page 1 of 12
LAB 15 Edition 3 February 2019 Draft for Consultation LAB 15 / Issue: 3 Page 1 of 12 Contents 1. Introduction 3 2. Glassware / Plasticware 3 2.1 Scope 3 2.2 Classification of Volumetric Glassware 3 2.3
More informationChemical Kinetics. Reaction rate and activation energy of the acid hydrolysis of ethyl acetate LEC 05. What you need: What you can learn about
LEC 05 Chemical Kinetics Reaction rate and activation energy of the acid hydrolysis What you can learn about Reaction rate Rate law for first and second order reactions Reactions with pseudo-order Arrhenius
More informationChemistry 143 Acid Base Titration Dr. Caddell. Titrating Acid
Titrating Acid In this lab you will first determine the concentration of sodium hydroxide in a stock solution that you prepare. You will then use that stock sodium hydroxide solution to titrate a solution
More informationCHEM 334 Quantitative Analysis Laboratory
Calibration of Volumetric Glassware Introduction Volumetric glassware is a class of glass vessels that are calibrated to contain or deliver certain volumes of substances. Graduated cylinders, pipettes
More informationChemistry 143 Experiment #11 Acid Base Titration Dr. Caddell. Titrating Acid
Titrating Acid In this lab you will first determine the concentration of sodium hydroxide in a stock solution that you prepare. You will then use that stock sodium hydroxide solution to titrate a solution
More informationElectrochemistry LEC 06. The Nernst equation. What you need: What you can learn about. Principle and tasks
Electrochemistry LEC 06 What you can learn about Electrode potentials and their concentration dependence Redox electrodes Electrochemical cells What you need: Principle and tasks expresses how the electrical
More informationNOTE: YOU WILL BE USING THIS SOLUTION IN BOTH, THIS EXPERIMENT AND EXP 12B. IF YOU WASTE THE SOLUTION YOU MAY RUN OUT BEFORE YOU HAVE FINISHED EXP 12B
EXPERIMENT 12 A: STANDARDIZATION OF A SODIUM HYDROXIDE SOLUTION OBJECTIVE: Sodium hydroxide solution of about 0.2 M is prepared in order to be used in Exp 12B. The solution is then standardized, that is,
More informationCompetence in volume measurement EXCELLENCE IN MEASUREMENT ACCURACY
Competence in volume measurement EXCELLENCE IN MEASUREMENT ACCURACY Volumetric instruments Volume measurement is of fundamental importance in the laboratory. Volumetric flasks, graduated cylinders, burettes
More information12.01 Determination of the isoelectric point of an amino acid (glycine)
Biochemistry LEB 12 Determination of the isoelectric point of an amino acid (glycine) What you can learn about Isoelectric point Acidic anions Basic cations Zwitterions Equivalence (inflection) points
More informationDensity of an Unknown
Experiment 3 Density of an Unknown Pre-Lab Assignment Before coming to lab: Read the lab thoroughly. Answer the pre-lab questions that appear at the end of this lab exercise. Purpose The density of an
More informationLaboratory Exercises in Medical Chemistry II
Laboratory Exercises in Medical Chemistry II 1 st year, General Medicine Faculty of Medicine in Pilsen Charles University Name: Confirmation of the attendance at the labs Study group: Date: (stamp, tutor's
More informationCopper (II) Glycinate Titration
Copper (II) Glycinate Titration In this experiment you will standardize (determine the concentration of) a solution of sodium thiosulfate. You will then use that sodium thiosulfate solution to titrate
More informationExperiment 8 Introduction to Volumetric Techniques I. Objectives
Experiment 8 Introduction to Volumetric Techniques I Objectives 1. To learn the proper technique to use a volumetric pipette. 2. To learn the proper technique to use a volumetric flask. 3. To prepare a
More informationSCIENCE EXPERIMENTS ON FILE Revised Edition The Story of Milk. Margaret Christoph
SCIENCE EXPERIMENTS ON FILE Revised Edition 5.1-1 The Story of Milk Margaret Christoph Topic Procedures for laboratory analysis Time 1 1 2 hours! Safety Please click on the safety icon to view the safety
More informationIn this laboratory exercise we will determine the percentage Acetic Acid (CH 3 CO 2 H) in Vinegar.
The titration of Acetic Acid in Vinegar In this laboratory exercise we will determine the percentage Acetic Acid (CH CO H) in Vinegar. We will do this by Titrating the Acetic Acid present with a Strong
More informationPOGIL LAB EXERCISE 15 HOW DO YOU STANDARDIZE AN ACID AND BASE?
POGIL LAB EXERCISE 15 HOW DO YOU STANDARDIZE AN ACID AND BASE? POGIL LAB 15 Page 1 of 10 Each member should assume his or her role at this time. The new manager takes charge of the POGIL folder and hands
More informationName: Date: AP Chemistry. Titrations - Volumetric Analysis. Steps for Solving Titration Problems
Name: Date: AP Chemistry Titrations - Volumetric Analysis Term Volumetric analysis Burette Pipette titrate titre aliquot end point equivalence point indicator primary standard standardisation secondary
More information1 Measurements and Calculations
1 Measurements and Calculations Learning outcomes To know the common measurements and their units. To learn the factors which affect measurements. To recognize the main apparatus used in volume measurements.
More informationLACTIC ACID. The method is applicable to the determination of lactic acid and lactate salts (Note 2) in light or heavy steepwater.
LACTI.01-1 LACTIC ACID PRINCIPLE SCOPE Lactic acid in steepwater (Note 1) is oxidized to acetaldehyde following treatment with copper sulfate and calcium hydroxide to remove interfering substances. Acetaldehyde
More informationHeat capacity of the calorimeter (Item No.: P )
Teacher's/Lecturer's Sheet Heat capacity of the calorimeter (Item No.: P04400) Curricular Relevance Area of Expertise: Physics Education Level: Age 6-9 Topic: Thermodynamics Subtopic: Calorimetry Experiment:
More informationChapter 9. Volumetric Analysis
Chapter 9 Volumetric Analysis The terms volumetric analysis, titrimetry and titration are used interchangeably to describe a procedure which analyses chemicals in solution by accurate volume measurement.
More informationChemistry 143 Dr. Caddell Laboratory Experiment 1
The Tools of the Trade Equipment You will need a digital thermometer, a liquid thermometer, a 50 ml graduated cylinder, a 10 ml volumetric pipet, a 25 ml burette, a 250 ml beaker, a 150 ml beaker, a glass
More informationExperiment 24. Chemical recycling of poly(ethylene) terephthalate (PET)
Methods of pollution control and waste management Experiment 24 Chemical recycling of poly(ethylene) terephthalate (PET) Manual Department of Chemical Technology The aim of this experiment is to gain knowledge
More informationTex-620-J, Determining Chloride and Sulfate Contents in Soil
Contents in Soil Contents: Section 1 Overview...2 Section 2 Sample Preparation...3 Section 3 Ion Chromatography Method...5 Section 4 Wet Chemical Method...9 Section 5 Archived Versions...15 Texas Department
More informationSynthesis of Benzoic Acid
E x p e r i m e n t 5 Synthesis of Benzoic Acid Objectives To use the Grignard reagent in a water free environment. To react the Grignard reagent with dry ice, CO 2(s). To assess the purity of the product
More informationTHE CATHOLIC UNIVERSITY OF EASTERN AFRICA A. M. E. C. E. A
THE CATHOLIC UNIVERSITY OF EASTERN AFRICA A. M. E. C. E. A MAIN EXAMINATION P.O. Box 62157 00200 Nairobi - KENYA Telephone: 891601-6 Fax: 254-20-891084 E-mail:academics@cuea.edu JANUARY APRIL 2014 TRIMESTER
More informationPartner: Judy 29 March Analysis of a Commercial Bleach
Partner: Judy 29 March 2012 Analysis of a Commercial Bleach Purpose: The purpose of this lab is to determine the amount of sodium hypochlorite (NaClO) in commercial bleach. This can be done by forming
More informationDetermination of the Chemical Formula
Determination of the Chemical Formula Place pre-lab report on table for the TA to sign Hand in Lab Safety Certification and Identification with photo Collect laboratory equipment: Clean and oven dry one
More informationPartner: Alisa 1 March Preparation and Properties of Buffer Solutions
Partner: Alisa 1 March 2012 Preparation and Properties of Buffer Solutions Purpose: The purpose of this experiment is to compare the ph effect on buffered and non-buffered solutions as well as making a
More informationMeasuring Volume: Beaker. Measuring Volume. Measuring Volume: Burette. Comparison of Apparatus. Measuring Volume: Pipette 4/26/2010
Learning Objectives At the end of the lesson, you should be able to: Identify the various apparatus used in the laboratory for measurement State the accuracy of the apparatus used in the laboratory. Suggest
More information# 12 ph-titration of Strong Acids with Strong Bases
# 12 ph-titration of Strong Acids with Strong Bases Purpose: A strong acid solution is titrated with a strong base solution. A titration curve is then used to determine the endpoint and find the concentration
More informationDistribution equilibrium
Distribution equilibrium TEC Related concepts Principles of thermodynamics; partial molar free enthalpy (chemical potential); equilibrium between phases; distribution and extraction; Nernst distribution
More informationExperiment 20: Analysis of Vinegar. Materials:
Experiment 20: Analysis of Vinegar Materials: graduated cylinder 6 M NaOH: Dilute Sodium Hydroxide 1000 ml Florence Flask & stopper KHC 8 H 4 O 4 : Potassium Hydrogen Phthalate (KHP) 125 ml Erlenmeyer
More informationExperiment 2: THE DENSITY OF A SOLID UNKNOWN AND CALIBRATION WITH DATASTUDIO SOFTWARE
Experiment 2: THE DENSITY OF A SOLID UNKNOWN AND CALIBRATION WITH DATASTUDIO SOFTWARE Concepts: Density Equipment Calibration Approximate time required: 90 minutes for density 90 minutes for two thermometers
More information17 th Chemistry Olympiad of the Baltic States
17 th Chemistry Olympiad of the Baltic States Riga, Latvia, 2009 Practical examination Introduction General information Keep your safety or optical glasses on, while working in laboratory. Fill pipettes
More information2 burets (50 ml) Standard solution of NaOH (0.600 M) Phenolphthalein indicator
Name: \[-[L Percentage of Acetic Acid In Vinegar Lab 4-5 INTRODUCTION: The quality of acid in a sample of vinegar may be found by titrating the sample against a standard basic solution. ost commercial
More informationWorking in the Chemistry Laboratory
Working in the Chemistry Laboratory Accelerated Chemistry I Introduction: One of the most important components of your chemistry course is the laboratory experience. Perhaps you have done experiments in
More informationIdentification Of The Common Laboratory Glassware, Pipettes And Equipment. BCH 312 [Practical]
Identification Of The Common Laboratory Glassware, Pipettes And Equipment BCH 312 [Practical] (1) Identification of the common laboratory glassware : Conical flasks and beakers: Graduated cylinders Volumetric
More informationPART I: MEASURING MASS
Chemistry I Name Dr. Saulmon 2014-15 School Year Laboratory 1 Measuring Mass, Volume, and Temperature Monday, August 25, 2014 This laboratory is broken into three parts, each with its own introduction,
More informationPotentiometric measurement of ph
Potentiometric measurement of ph Determination of ph can be done by simple colorimetric methods using acid-base indicators (ph test strips). Nevertheless, the precision of such methods is mostly insufficient.
More informationCHEM 132 Lab 11 Western Carolina University
Name Lab Section Chemistry 132 Lab 11 How Effective is Your Antacid? Prelaboratory Exercise 1. How many grams of NaOH will you need to make 250 of 0.5 M NaOH solution? 2. What is the purpose of the first,
More informationTitrations Worksheet and Lab
Titrations Worksheet and Lab Vocabulary 1. Buret: a piece of glassware used for dispensing accurate volumes, generally reads to two places of decimal. 2. Titrant: the substance of known concentration added
More informationTotal Carboxylic Acid Group Content Applicable Products: Carbopol * Polymers and Pemulen * Polymeric Emulsifiers
LUBRIZOL TEST PROCEDURE TP-1318-A Edition: August, 2010 Total Carboxylic Acid Group Content Applicable Products: Carbopol * Polymers and Pemulen * Polymeric Emulsifiers Scope: This procedure is used for
More information01/21/14 Solution to the Assigned Problems of Workshop 1 Chem. 103, Spring 2014
Chapter 1 Chemistry - the Science of Change 01/21/14 Solution to the Assigned Problems of Workshop 1 Chem. 10, Spring 2014 Home-assigned problems 1.49, 1.67, 1.75, 1.87, 1.91, 1.9, 1.99, 1.105, 1.107,
More informationUNIVERSITY OF MINNESOTA DULUTH DEPARTMENT OF CHEMICAL ENGINEERING ChE CONTINUOUS BINARY DISTILLATION
UNIVERSITY OF MINNESOTA DULUTH DEPARTMENT OF CHEMICAL ENGINEERING ChE 3211-4211 CONTINUOUS BINARY DISTILLATION OBJECTIVE The objective of this experiment is to determine the overall column efficiency for
More informationElectrochemistry LEC Potentiometric ph titration (phosphoric acid in a soft drink) What you need: What you can learn about
Electrochemistry LEC 06 What you can learn about Galvanic cell Types of electrodes Nernst equation Potentiometry Principle and tasks The cell voltage and the Galvani voltage of the electrodes of an galvanic
More informationPetroleum products - Determination of saponification number - Part 1: Colour-indicator titration method
Petroleum products - Determination of saponification number - Part 1: Colour-indicator titration method Petroleumprodukter - Bestämning av förtvålningstal - Del 1: Titreringsmetod med färgindikator The
More informationChemistry Assessment Unit AS 3
Centre Number 71 Candidate Number ADVANCED SUBSIDIARY (AS) General Certificate of Education 2009 Chemistry Assessment Unit AS 3 assessing Module 3: Practical Examination 2 ASC32 [ASC32] FRIDAY 15 MAY,
More informationCHEM 254 EXPERIMENT 7. Phase Diagrams - Liquid Vapour Equilibrium for two component solutions
pressure CHEM 254 EXPERIMENT 7 Phase Diagrams - Liquid Vapour Equilibrium for two component solutions The partial pressures of the components of an ideal solution of two volatile liquids are related to
More informationAssessment of Accuracy and Precision
2 chapter Assessment of Accuracy and Precision S.S. Nielsen, Food Analysis Laboratory Manual, Food Science Texts Series, DOI 10.1007/978-1-4419-1463-7_2, Springer Science+Business Media, LLC 2010 9 Chapter
More informationGB Translated English of Chinese Standard: GB NATIONAL STANDARD OF THE
Translated English of Chinese Standard: GB5009.28-2016 www.chinesestandard.net Buy True-PDF Auto-delivery. Sales@ChineseStandard.net NATIONAL STANDARD OF THE GB PEOPLE S REPUBLIC OF CHINA GB 5009.28-2016
More informationIn this lab you are asked to make a series of volume and temperature measurements and record the number of significant figures in each measurement.
CHEM 0011 1 Experiment 2 Measurement Objectives 1. To understand the accuracy of various types of graduated glassware. 2. To measure volumes of liquids using a graduated cylinder. 3. To measure the volume
More informationAcid-Base Titration. M M V a
Acid-Base Titration Pre-Lab Discussion In the chemistry laboratory, it is sometimes necessary to experimentally determine the concentration of an acid solution or a base solution. A procedure for making
More informationSPECIFICATION & TEST PROCEDURE SODIUM SALICYLATE Technical. Molecular weight : Reference : In-house
Page 1 of 8 Molecular Formula : C 7 H 5 NaO 3 CAS Registry No. : [54 21 7] Molecular weight : 160.10 Reference : In-house Other names : Benzoic acid, 2 hydroxy, mono sodium salt, Mono sodium salicylate.
More informationExperiment 2: Analysis of Commercial Bleach Solutions
Experiment 2: Analysis of Commercial Bleach Solutions I. Introduction The ability of household bleach to remove stains is related to the amount of oxidizing agent in it. The oxidizing agent in bleach is
More informationFreezing point depression (Item No.: P )
Freezing point depression (Item No.: P3021101) Curricular Relevance Area of Expertise: Chemistry Education Level: University Topic: General Chemistry Subtopic: Solutions and Mixtures Experiment: Freezing
More informationLab 1: Safety Lab; Introduction to Volumetric and Weighing Techniques
Lab 1: Safety Lab; Introduction to Volumetric and Weighing Techniques Objectives: 1. Be aware of safety practices, procedures outlined in the safety video. 2. Introduction to WHMIS and MSDS. 3. Locate
More informationCalibration of Volumetric Glassware. Prepared by Allan Fraser May 2016 APPLICATION Note 1
Calibration of Volumetric Glassware Prepared by Allan Fraser May 2016 APPLICATION Note 1 TABLE OF CONTENTS TABLE OF CONTENTS... i LIST OF TABLES... ii 1. 2. 3. 4. 5. 6. 7. 8. Purpose... 1 Scope... 1 Principle...
More informationApplication Determination of isocyanate (NCO-) content
Determination of isocyanate (NCO-) content date: 20.06.2013 page 1 from 10 Use This method is applicable for material containing reactive isocyanate groups.the isocyanate is reacted with di-n-butyl amine
More informationLab Activity 3: Factors Affecting Reaction Rate
Chemistry 3202 Lab #3 factors affecting Reaction Rate Page 1 of 5 Lab Activity 3: Factors Affecting Reaction Rate Introduction Several factors influence how fast a reaction proceeds. In this activity,
More informationDR/4000 PROCEDURE NITRATE. Using Powder Pillows
DR/4000 PROCEDURE Method 8171 Powder Pillows or AccuVac Ampuls Cadmium Reduction Method MR (0 to 5.0 mg/l NO 3 N) Scope and Application: For water, wastewater and seawater. The estimated detection limit
More informationph Titration Curves You will need about 10 ml of ~6M NaOH solution and about 40 ml of each acid solution and about 1.5 grams of KHP.
ph Titration Curves In this experiment you will generate titration curves for the titration of a monoprotic strong acid, a monoprotic weak acid, and a diprotic weak acid. From the titration curves you
More informationMeasurement and Density
Measurement and Density Goals q q q Learn to record accurate measurements from a variety of devices. Measure the density of solids and solutions. Use the property of density and measurement to calculate
More informationKEY 1 = PAN 2 = RIDERS 3 = BEAMS 4 = POINTER ~ Metric Measurement Scientist
Metric Measurement Scientist Mass Lab Class Date 2015 Objective: To use a triple-beam balance to these 3 together = 1 pt KEY a) to measure mass directly usually a SOLID b) to find mass by difference usually
More informationLaboratory Exercises in Medical Chemistry III
Laboratory Exercises in Medical Chemistry III 1 st year, General Medicine Faculty of Medicine in Pilsen Charles University Name: Confirmation of the attendance at the labs Study group: Date: (stamp, tutor's
More informationIntroductory Remarks:
Introductory Remarks: At all times while you are in the laboratory you should wear safety spectacles or own spectacles if they have been approved. Eating of any kind of food or drinking is strictly prohibited
More informationDispensers/Dilutors REPIPET DISPENSERS REPIPET DILUTORS PIPETS OUR BEST ALL GLASS DISPENSERS! OUR LOWEST PRICED DISPENSERS! VIRTUALLY UNBREAKABLE!
S E L E C T I O N G U I D E Dispensers/Dilutors OUR BEST DISPENSERS! REPIPET DISPENSERS VIRTUALLY UNBREAKABLE! OUR BEST ALL GLASS DISPENSERS! OUR LOWEST PRICED DISPENSERS! Dispenser Reagent Product Volume
More informationSample Preparation LCW 909. Total Kjeldahl Nitrogen, TKN NB: NEW! LCW 909 GB
Principle Organically bound nitrogen is digested by hot fuming sulphuric acid in the presence of catalysts and converted to ammonium, which, after steam distillation, can be determined as so-called Total
More informationAnnex 2 Formaldehyde
Annex 2 Formaldehyde The 2 methods are analytical procedures for the determination of formaldehyde CH2O, PM/Ref. No 17260, and hexamethylenetetramine (HMTA) C6H12N4, PM/Ref. No 18670, in food simulants
More informationExperiment 18 - Absorption Spectroscopy and Beer s Law: Analysis of Cu 2+
Experiment 18 - Absorption Spectroscopy and Beer s Law: Analysis of Cu 2+ Many substances absorb light. When light is absorbed, electrons in the ground state are excited to higher energy levels. Colored
More informationOur Drop Counter sensor now features housing for two electrode sensors, an anti-twist mechanism, an indicator LED and two cable guides.
The Drop Counter sensor is an optical sensor that accurately records the number of drops of titrant added during a titration. The Drop Counter sensor software can automatically convert the number of drops
More informationRAPID KJELDAHL BENCHNOTES
RAPID KJELDAHL BENCHNOTES Methodology for the Determination of Alcohol in a Mixture by Direct Distillation with the RapidStill II Principle: This method covers the determination of percent alcohol in distilled
More information2. MASS AND VOLUME MEASUREMENTS Mass measurement Analytical and standard laboratory balances Pre-lab Exercises
Name:. Date: Objectives 2. MASS AND VOLUME MEASUREMENTS To overview the metric and SI units of mass and volume measurements. To introduce the laboratory equipment used for mass and volume measurements.
More informationMeasurement and Lab Equipment Basics Guided Notes
Any object has its own shape, size and dimension. In biology, it is very important to know the overall physical and chemical status of any living organism. There are specific units to describe various
More informationVolumetric analysis involving acids and alkalis
Chapter 19 Volumetric analysis involving acids and alkalis 19.1 Standard solutions 19.2 Acid-alkali titrations 19.3 Calculations on volumetric analysis 19.4 Writing a laboratory report on volumetric analysis
More informationSTUDYING CHEMICAL REACTIONS BY TITRATION ANALYSIS
STUDYING CHEMICAL REACTIONS BY TITRATION ANALYSIS OBJECTIVES: Study the relationship of reactants & products in solution phase chemical reactions, Learn how to prepare solutions from solid and liquid stock,
More informationCoal - Determination of nitrogen - Semi-micro Kjeldahl method. Kol - Bestämning av kvävehalt - Semimicrometod enligt Kjeldahl
Coal - Determination of nitrogen - Semi-micro Kjeldahl method Kol - Bestämning av kvävehalt - Semimicrometod enligt Kjeldahl The International Standard ISO 333:1996 has the status of a Swedish Standard.
More informationRegents review Math & measurement
2011-2012 1. During a laboratory activity, a student combined two solutions. In the laboratory report, the student wrote A yellow color appeared. The statement represents the student s recorded A) conclusion
More informationPartial molar volumes
Related concepts Principles of thermodynamics, ideal and non-ideal behaviour of gases and liquids, volume contraction, molar and partial molar quantities. Principle Due to intermolecular interactions,
More information#26 Preparation of Solutions
#26 Preparation of Solutions Purpose: This experiment provides practical experience in preparing solutions using the concentration units of molarity and molality. Introduction Preparing solutions is one
More informationFunctional Genomics Research Stream. Lecture: February 17, 2009 Masses, Volumes, Solutions & Dilutions
Functional Genomics Research Stream Lecture: February 17, 2009 Masses, Volumes, Solutions & Dilutions Agenda Lab Work: Last Week New Equipment Solution Preparation: Fundamentals Solution Preparation: How
More informationMercaptan Sulfur in Gasoline and Kerosene Aviation Turbine and Distillate Fuels
Application Note Mercaptan Sulfur in Gasoline and Kerosene Aviation Turbine and Distillate Fuels USING ASTM D 3227 Introduction For the determination of mercaptan sulfur in a range from 3 mg/kg 100 mg/kg.
More informationCore practical 11: Find the amount of iron in an iron tablet using redox titration
Core practical 11 Teacher sheet Core practical 11: To perform a redox titration involving Fe 2+ (aq) and MnO4 (aq) Specification links Use eye protection. Practical techniques 1, 4, 5, 11 CPAC 1a, 2a,
More informationChemistry 101 Experiment 12B-ANALYSIS OF COMMERCIAL VINEGARS
Vinegar is a solution of acetic acid (HC2H3O2). The strength or concentration of the vinegar is usually given on the label of the bottle in percent by weight or percent acidity. The United States Food
More informationANALYTICAL TASK EXPERIMENTAL PROCEDURE
ANALYTICAL TASK EXPERIMENTAL PROCEDURE Complexometric determination of zinc after separation from cadmium by ion chromatography It is almost impossible to correctly determine the content of zinc(ii) ions
More informationCadmium Reduction Method Method to 10.0 mg/l NO 3 N (MR, spectrophotometers) 0.2 to 5.0 mg/l NO 3 N (MR, colorimeters)
Nitrate, MR DOC316.53.01069 Cadmium Reduction Method Method 8171 0.1 to 10.0 mg/l NO 3 N (MR, spectrophotometers) 0.2 to 5.0 mg/l NO 3 N (MR, colorimeters) Scope and application: For water, wastewater
More informationTitration of a strong acid with a strong base with Cobra4
Titration of a strong acid with a strong base with Cobra4 TEC Related topics Strong and weak acids and bases, ph value, titration curves, equivalence point, potentiometry. Principle Hydrochloric acid is
More informationPractice Lab. Balances and calibration of volumetric tools
Practice Lab. Balances and calibration of volumetric tools Balances are a very basic and very valuable tool in any chemistry lab and any chemist must understand their use, their proper treatment, their
More informationLesson 5: Measurement Part II Accuracy & Precision SI Units
Lesson 5: Measurement Part II Accuracy & Precision SI Units Do Now: 6 th grade Record information from CJ board into your CJ. KEEP CJ s OUT on your desk opened to today s date: Sept.22 Take out notes from
More informationStandardization of Hydrochloric Acid by Anhydrous Sodium Carbonate
Standardization of Hydrochloric Acid by Anhydrous Sodium Carbonate Procedures Weigh about 1.0-1.5 g of anhydrous sodium carbonate powder accurately in a watch glass. Transfer the solid totally into a 250
More informationMaking Measurements. Units of Length
Experiment #2. Measurements and Conversions. Goals 1. To measure and record length, volume and mass accurately with the correct number of significant figures 2. To convert between units using conversion
More informationMeasurements in the Laboratory
Measurements in the Laboratory Objectives The objectives of this laboratory are: a) Use standard laboratory measurement devices to measure length, volume and mass amounts. b) Use these measurements to
More information#09 Investigating the Relationship between the Mass of a Liquid and its Volume Ken Lyle, St. John s School, Houston, TX
#09 Investigating the Relationship between the Mass of a Liquid and its Volume Ken Lyle, St. John s School, Houston, TX INTRODUCTION To close the yellow note, click once to select it and then click the
More informationProperties of Liquids
Experiment: Properties of Liquids Many of the organic compounds you will be studying this year will be liquids, and in lab, you will frequently have to identify unknown liquids and confirm the identity
More informationYou must bring 1-2 empty pop cans to lab this week.
CHM 130LL: States of Matter and Physical Changes You must bring 1-2 empty pop cans to lab this week. Substances can exist in three physical states: solid, liquid or gas. The main difference between these
More information