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

Resumen

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.

Informaciones generales

  •  : Retirada
     : 1994-04
    : Retirada de la Norma Internacional [95.99]
  •  : 2
     : 5
  • ISO/TC 42
    37.040.30 
  • RSS actualizaciones

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