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  Analytical Systems | Titration - Karl Fischer
All Products > Titration - Karl Fischer



Metrohm Karl Fischer Coulometer 756 with Pump/Stirrer 703.

Metrohm® Coulometric Karl Fischer Titrators®

Precise and economical

Metrohm Karl Fischer coulometers guarantee accurate and reproducible results, even for water contents in the lower microgram range. They feature a compact design, flexibility and easy operation. The large LCD screen provides a clear view of the parameters, and it also displays the live curve in microgram water versus time. Metrohm coulometers come equipped with two RS-232C interfaces, which allow communication with a balance, external printer and/or PC; Model 756 features a built-in printer.

Water content Precision
10 µg to 1,000 µg ±3 µg
>1,000 µg 0.3% or better

 

Economical determination of trace amounts of water:

  • Microcontroller ensures precision down to the lower microgram range
  • Ready-to-go methods are preloaded in the instrument
  • Expandable, modular system—add automation, software and/or KF oven
  • Generator electrode available with or without a diaphragm
  • GLP compliance—full documentation, keyboard lockout, user name registration and result limits

Example applications:

Solvents

  • Acetic acid
  • Acetonitrile
  • Benzene
  • Chloroform
  • Cresols
  • Cyclohexane
  • Dioxane
  • Ethanol
  • Furan
  • Glycerol
  • Hexane
  • Isopropanol
  • Liquid paraffin
  • Nitrobenzene
  • Octanol
  • Petroleum ether
  • Pyridine
  • Resorcinol dimethyl ether
  • Tetrahydrofuran
  • Toluene
  • Vinyl ether
  • Xylene

Finished products

  • Aftershave lotion
  • Almond oil
  • Aperitif
  • Butter
  • Coffee cream
  • Cognac
  • Cough syrup
  • Lotion
  • Margarine
  • Mascara
  • Mustard
  • Sun cream
  • Vinegar

Industrial products

  • Benzoic acid
  • Freons
  • Gasoline
  • Insulating oil
  • Metal oxides
  • Mineral oil
  • Nitrogen
  • Petroleum
  • Plastic films
  • Plastics granules
  • Salicylic acid
  • Salts
  • Silicone oil
  • Sulphuric acid
  • Transformer oil
 
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