ISO 3139:1976

Current Revision
Aqueous hydrofluoric acid for industrial use -- Sampling and methods of test

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ISO 3139:1976

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

PUBLISH DATE 1976
ISO 3139:1976

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.

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