Standard

BS ISO 3620:1994

Photography. Processing chemicals. Specifications for aluminium potassium sulfate

Current, Under Review

•

Published:

15 Aug 1995

1 Scope

This International Standard 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.

Product Details

Descriptors

Visual inspection (testing)

Hydrates

Volumetric analysis

Determination of content

Photography

Potash alum

Testing conditions

Photographic materials

Photographic chemicals

Assay

Purity

ICS Codes

37.040.30 Photographic chemicals

Committee

CPW/42

International relationships

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ISBN

0 580 24440 7

Publisher

BSI