Norm

ISO 3699:1976 en

Anhydrous hydrogen fluoride for industrial use - Determination of water content - Karl Fischer method

31,57

Over deze norm

Status Definitief
Aantal pagina's 6
Gepubliceerd op 01-08-1976
Taal Engels
Applicable to products having a water content between 0.01 % (m/m) and 0.5 % (m/m). Is supplemented by ISO 3700 and intended for reference purposes. Bases on addition of a cooled test portion to cooled dry pyridine containing 5 % of anhydous hydrogen fluoride. The apparatus for measuring the test portion and titration and the measuring vessel are shon in figures. Subsequent electrometric titration of the water with the Karl Fischer reagent.

Details

ICS-code 71.060.30
Nederlandse titel Anhydrous hydrogen fluoride for industrial use - Determination of water content - Karl Fischer method
Engelse titel Anhydrous hydrogen fluoride for industrial use - Determination of water content - Karl Fischer method

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