ISO-422 › Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate

ISO-422 - 2ND EDITION - CURRENT
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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.

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37.040.30 (Photographic chemicals)

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Document Number

ISO 422:1994

Revision Level

2ND EDITION

Status

Current

Publication Date

Oct. 15, 1994

Committee Number

ISO TC 42/WG 6