Reference number
ISO 3139:1976
International Standard
ISO 3139:1976
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
Edition 1
1976-04
Read sample
ISO 3139:1976
8304
Published (Edition 1, 1976)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.
This standard has 1 amendment.

ISO 3139:1976

ISO 3139:1976
8304
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

Abstract

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.

General information

  •  : Published
     : 1976-04
    : International Standard confirmed [90.93]
  •  : 1
     : 4
  • ISO/TC 47
    71.060.30 
  • RSS updates

 Amendments

Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.

Amendment 1

Edition 1980

ISO 3139:1976/Amd 1:1980
8305
Language
Format
CHF 18
Convert Swiss francs (CHF) to your currency

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