ISO 3699:1976

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

OVERVIEW

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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1976
No. of Pages 6
ICS Classification 71.060.30 Acids
Committee ISO/TC 226
Available for Purchase For sale in Singapore only
Adoption ISO