Status : Published (Under review)
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
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Abstract

Indicates the conditions under which the test sample shall be prepared and relates to particular properties which require particular precausions: the samples shall be taken rapidly in a dry atmosphere, storage in an airtight bottle. The bottle shall be made from an inert material such as polyethylene. Preparation of the main solution with distilled carbonat- free water. If the silica content is to be determined the test portion shall be dissolved in a container made from silica-free material such as polyethylene or silver. Cancels and replaces ISO Recommendations R 977/1969 and R 978/1969.

General information

  • Status
     : Published
    Publication date
     : 1975-03
    Stage
    : Withdrawal of International Standard proposed by TC or SC [90.99]
  • Edition
     : 1
    Number of pages
     : 1
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.40 
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