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ISO 3699:1976
Anhydrous hydrogen fluoride for industrial use — Determination of water content — Karl Fischer method
Automatically translated name:
Anhydrous hydrogen fluoride for industrial use -- Determination of water content -- Karl Fischer method
STANDARD published on 1.8.1976
The information about the standard:
Designation standards: ISO 3699:1976
Publication date standards: 1.8.1976
SKU: NS-431490
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 3699:1976 :
Description / Abstract: 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.
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