Reference number
ISO 418:1994
ISO 418:1994
Photography — Processing chemicals — Specifications for anhydrous sodium sulfite
Edition 2
1994-04
Withdrawn
ISO 418:1994
20285
Withdrawn (Edition 2, 1994)

Abstract

Establishes criteria for the purity and describes the test methods for insoluble matter content, heavy metals content, iron content, alkalinity, reaction to ammoniacal silver nitrate, thiosulfate, appearance of solution.

General information

  •  : Withdrawn
     : 1994-04
    : Withdrawal of International Standard [95.99]
  •  : 2
     : 5
  • ISO/TC 42
    37.040.30 
  • RSS updates

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