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ISO 422:1994

Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate
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ISO 422:1994

Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate

PUBLISH DATE 1994
ISO 422:1994

Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade p-methylaminophenol sulfate and specifies the test methods to be used to determine the purity.

SDO ISO: International Organization for Standardization
Document Number ISO 422
Publication Date Oct. 15, 1994
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 42/WG 6
Publish Date Document Id Type View
Oct. 15, 1994 ISO 422:1994 Revision