ISO 3139:1976 (R2023)
Active , Reaffirmed , Modified Standard
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ISO 3139:1976 (R2023)

Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
Base standard
Most recent standard

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 04/01/1976
Confirmation Date 11/29/2023
Edition 1
Page Count 4
EAN ---
ISBN ---
Weight (in grams) ---
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