ISO 3699:1976 (R2024)
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ISO 3699:1976 (R2024)

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

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 08/01/1976
Confirmation Date 12/16/2024
Edition 1
Page Count 6
EAN ---
ISBN ---
Weight (in grams) ---
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