Reference number
ISO 3139:1976
© ISO 2024
International Standard
ISO 3139:1976
Aqueous hydrofluoric acid for industrial use — Sampling and methods of test
Edition 1
1976-04
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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

Language
Format
CHF 42
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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

  • Status
     : Published
    Publication date
     : 1976-04
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.30 
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 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

Language
Format
CHF 18
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Life cycle

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