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Karl Fischer Buffers and Reagents

Buffers and reagents intended for use with Karl Fischer (KF) titration techniques. KF titration is a classic titration method that uses coulometric or volumetric titration to determine the moisture content of a sample.

Karl Fischer (KF) reagents are used in the analytical technique developed by chemist Karl Fischer to accurately measure the water content of gases, liquids, and solids.

Key applications include:

  • Analyzing water content in raw materials and finished products
  • Estimating moisture in food, pharmaceuticals, chemicals, and petroleum products
  • Determining the water content of laboratory samples.

Karl Fischer reagents contain a variety of chemicals in proprietary formulations. Consult the SDS for individual products for appropriate handling instructions and precautions.

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46 – 60 of 379 results
46

CombiCoulomat Frit Reagent, AQUASTAR™ EMD Chemicals

Synonym: Coulometric Single Solution

Synonym Coulometric Single Solution
48

CombiMethanol Solvent, MilliporeSigma™

CombiMethanol Solvent for volumetric Karl Fischer titration with one component reagents max. 0.01% H2O Aquastar™.

Boiling Point 64.5°C (1013 hPa)
CAS 67-56-1
Molecular Weight (g/mol) 32.04
Packaging Glass Bottle
Flash Point 9.7°C
Synonym MeOH, Hydroxymethane, Methyl alcohol, Carbinol,Hydroxymethane,Methyl alcohol,Carbinol
Recommended Storage Store at 15 to 25°C
Molecular Formula CH4O
Density 0.792 g/cm3 (at 20°C)
Melting Point −98°C
49

Water Standard Oven 1%, solid standard for KF oven method apura, MilliporeSigma™
GSA_VA

50

Karl Fischer Aqualine™ Sodium Tartrate-2H2O, for Karl Fischer Titration, Fisher Chemical

Molecular Formula: C4H8Na2O8 Molecular Weight (g/mol): 230.08 MDL Number: MFCD00150035 InChI Key: FGJLAJMGHXGFDE-UDMGOBQRNA-L PubChem CID: 131855972 IUPAC Name: (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate SMILES: O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O

PubChem CID 131855972
Molecular Weight (g/mol) 230.08
MDL Number MFCD00150035
SMILES O.O.[Na+].[Na+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
IUPAC Name (2R,3R)-2,3-dihydroxybutanedioic acid;sodium;dihydrate
InChI Key FGJLAJMGHXGFDE-UDMGOBQRNA-L
Molecular Formula C4H8Na2O8
51

Karl Fischer Aqualine™ Solvent CM, for Karl Fischer Titration By Volumetry, Fisher Chemical™

Name Note Karl Fischer Reagent
CAS 7446-09-5
MDL Number 81734
Packaging Amber glass bottle
Physical Form Liquid
DOT Information DOT Class 3, : Flammable Liquid
Chemical Name or Material Aqualine™ Solvent CM
Cleanup Symbol Solvent
ChemAlert Storage Symbol Red
55

Titrant 5, MilliporeSigma™

Titrant 5 titrant for volumetric Karl Fischer titration with two component reagents H2O Aquastar™.

56

Lactose Standard 5%, Apura™ MilliporeSigma™

Molecular Formula: C12H24O12 Molecular Weight (g/mol): 360.312 InChI Key: WSVLPVUVIUVCRA-KPKNDVKVSA-N Synonym: Milk sugar,Lactobiose PubChem CID: 104938 IUPAC Name: (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate SMILES: C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O.O

PubChem CID 104938
Molecular Weight (g/mol) 360.312
SMILES C(C1C(C(C(C(O1)OC2C(OC(C(C2O)O)O)CO)O)O)O)O.O
Synonym Milk sugar,Lactobiose
IUPAC Name (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6S)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate
InChI Key WSVLPVUVIUVCRA-KPKNDVKVSA-N
Molecular Formula C12H24O12
58

Titration Solvent, MilliporeSigma™

Solvent for volumetric Karl Fischer titration with two component reagents Aquastar™.

Packaging Glass Bottle
Flash Point 11°C (Methanol)
Recommended Storage Store at 15 to 25°C
Density 0.90 g/cm3 (at 20°C)
59

HYDRA-POINT™ Solvent, Methanol-Free, BAKER ANALYZED™ Reagent, J.T. Baker™

High quality chemicals for laboratory and specialized industrial use

60

HYDRA-POINT™ Karl Fischer Coulometric Vessel Solution, For Diaphragmless cell, Chloroform-Free, BAKER ANALYZED™ Reagent, J.T. Baker™

High quality chemicals for laboratory and specialized industrial use

Name Note For Diaphragmless cell, Chloroform-Free
Packaging Narrow Mouth Amber Glass Bottle
Flash Point 46.00°C
Chemical Name or Material HYDRA-POINT™ Karl Fischer Coulometric Vessel Solution
Grade BAKER ANALYZED™ Reagent