ISO-3620 › Photography -- Processing chemicals -- Specifications for aluminium potassium sulfate

ISO-3620 - 2ND EDITION - SUPERSEDED
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Establishes criteria for the purity of photographic-grade aluminium potassium sulfate dodecahydrate, AlK(SO4)2·12H2O, and specifies the tests to be used to determine the purity.

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37.040.30 (Photographic chemicals)

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Document Number

ISO 3620:1994

Revision Level

2ND EDITION

Status

Superseded

Publication Date

Dec. 15, 1994

Committee Number

ISO TC 42/WG 6