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ISO 3139:1976

Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
1. 4. 1976.

Опште информације

90.93     29. 11. 2023.

ISO

ISO/TC 47

Međunarodni standard

71.060.30  

francuski   engleski  

Kupovina

Objavljen

Jezik na kome želite da primite dokument.

Apstrakt

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.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 3139:1976
90.93 Odluka o potvrđivanju standarda
29. 11. 2023.

ISPRAVKE / IZMENE

OBJAVLJEN
ISO 3139:1976/Amd 1:1980