ISO 424:1994
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ISO 424:1994
4434

Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
en
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Abstract

Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium carbonate and sodium carbonate monohydrate and specifies the test methods to be used to determine the purity.

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General information

  •  : Published
     : 1994-10
    : International Standard confirmed [90.93]
  •  : 2
     : 4
  • ISO/TC 42
    37.040.30 
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Life cycle

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