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ISO 3139:1976

Aqueous hydrofluoric acid for industrial use — Sampling and methods of test

Apr 1, 1976

General information

90.93     Nov 29, 2023

ISO

ISO/TC 47

International Standard

71.060.30  

French   English  

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Scope

Contains also titrimetric methods for determination of the total acidity, the hexafluorosilicic acid content and the non-volatile acids content and a method for calculating the hydrogen fluoric content. Specifies the scope and the field of application of these methods and declares the principle of the procedures. This second edition results from the incorporation of Addendum in the first one. Cancels and replaces the first edition ISO 3139/1974.

Life cycle

NOW

PUBLISHED
ISO 3139:1976
90.93 Standard confirmed
Nov 29, 2023

CORRIGENDA / AMENDMENTS

PUBLISHED
ISO 3139:1976/Amd 1:1980