Photography. Processing chemicals. Specifications for anhydrous sodium metabisulfite

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

18-01-2002

Publisher

British Standards Institution

Foreword
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

Establishes criteria for the purity of photographic-grade anhydrous sodium metabisulfite and specifies the tests to be used to determine the purity.

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

Committee	CPW/42
DevelopmentNote	Supersedes BS 3834(1978) and 99/703572 DC (02/2002) Reviewed and confirmed by BSI, August 2016. (07/2016)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO 3627:1994 99/703572 DC : NOV 99 BS 3834:1978 92/41969 DC : JUN 92

Standards	Relationship
ISO 3627:2001	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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BS ISO 3627:2001

Photography. Processing chemicals. Specifications for anhydrous sodium metabisulfite

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory