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ISO 420:1994

Photography -- Processing chemicals -- Specifications for potassium bromide --

This standard has been reviewed and then confirmed in 2011 
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Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade potassium bromide and specifies the test methods to be used to determine the purity.


  • Edition: 2 (Monolingual) ICS: 37.040.30
    Status: Published Stage: 90.93 (2011-09-30)
    TC/SC: ISO/TC 42 Number of Pages: 4
  • Revises: ISO 420:1976

  • No corrigenda or amendments available

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