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BS ISO 3629:2000

Current
Current

The latest, up-to-date edition.

Photography. Processing chemicals. Specifications for potassium metabisulfite
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

21-05-2002

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 General
  3.1 Physical properties
  3.2 Hazardous properties
  3.3 Storage
4 Requirements
5 Reagents and glassware
6 Sampling
7 Test methods
  7.1 Assay
  7.2 Mass fraction of heavy metals
  7.3 Mass fraction of iron
  7.4 Reaction to ammoniacal silver nitrate
  7.5 pH value
  7.6 Mass fraction of thiosulfate (as S[2]O[3][2-])
  7.7 Appearance of solution

Gives criteria for the purity of photographic-grade potassium metabisulfite and specifies the tests to be used to determine the purity.

This International Standard establishes criteria for the purity of photographic-grade potassium metabisulfite and specifies the tests to be used to determine the purity.

Committee
CPW/42
DevelopmentNote
Supersedes BS 3306(1978) and 99/703573 DC (06/2002) Reviewed and confirmed by BSI, August 2016. (07/2016)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 3629:2000 Identical

ISO 10349-5:1992 Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content
ISO 10349-1:2002 Photography Photographic-grade chemicals Test methods Part 1: General
ISO 10349-9:1992 Photography — Photographic-grade chemicals — Test methods — Part 9: Reaction to ammoniacal silver nitrate

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Hardcopy - English
PDF - English
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