ISO-3139 › Aqueous hydrofluoric acid for industrial use -- Sampling and methods of test
ISO-3139
-
2ND EDITION
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CURRENT
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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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Document Number
ISO 3139:1976
Revision Level
2ND EDITION
Status
Current
Publication Date
April 15, 1976
Committee Number
ISO TC 47