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BS 6857:1987

Current
Current

The latest, up-to-date edition.

Specification for cadmium pigments for paints
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-07-1987

National foreword
Committees responsible
Specification
1 Scope and field of application
2 References
3 Definition
4 Classification
5 Required characteristics and their tolerances
6 Sampling
7 Determination of total cadmium and zinc contents
8 Determination of selenium content
9 Determination of sulfur content
10 Calculation of the total content of cadmium, zinc,
    selenium and sulfur
11 Preparation of the hydrochloric acid extract
12 Determination of "soluble" antimony content
13 Determination of "soluble" arsenic content
14 Determination of "soluble" barium content
15 Determination of "soluble" cadmium content
16 Determination of "soluble" chromium content
17 Determination of "soluble" lead content
18 Determination of "soluble" mercury content
19 Determination of "soluble" selenium content
20 Determination of "soluble" zinc content
21 Test report
Tables
1 Essential requirements
2 Conditional requirements
3 Standard matching solutions

Essential and conditional requirements. The latter related to agreed samples of reference pigments. Methods for determination of cadmium, zinc, selenium and sulphur contents included. Limits for \'soluble\' heavy metal specified by reference to published methods with methods included for \'soluble\' cadmium and zinc.

This International Standard specifies the requirements and the corresponding methods of test for cadmium pigments suitable for general use.

Committee
W/-
DevelopmentNote
Also numbered as ISO 4620. Supersedes 80/53927 DC. (09/2005) Reviewed and confirmed by BSI, April 2013. (03/2013)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current

BS 3483-C4(1982) : 1982 AMD 8512 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS - DETERMINATION OF PH VALUE OF AQUEOUS SUSPENSION
BS 3900-B12:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of \'soluble\' mercury content
BS 1752:1983 Specification for laboratory sintered or fritted filters including porosity grading
BS 3483-B6(1982) : 1982 AMD 8506 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS - DETERMINATION OF MATTER VOLATILE AT 105 DEGREE C
BS 3900-B7:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of \'soluble\' antimony content
BS 3483-B7(1982) : 1982 AMD 8687 GENERAL METHODS OF TEST FOR PIGMENTS AND EXTENDERS - DETERMINATION OF OIL ABSORPTION VALUE
BS 3900-B8:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of \'soluble\' barium content
BS 3483-B5:1974 Methods for testing pigments for paints Comparison of ease of dispersion (oscillatory shaking method)
BS 3900-B6:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of \'soluble\' lead content
BS 3483-A4:1974 Methods for testing pigments for paints Comparison of relative tinting strength (or equivalent colouring value) and colour on reduction in linseed stand oil using the automatic muller
BS 3900-B11:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of total chromium content of liquid matter
BS 846:1985 Specification for burettes
BS 4404:1968 Method for the determination of arsenic (silver diethyldithiocarbamate procedure)
BS 3483-A1(1983) : 1983 METHODS FOR TESTING PIGMENTS FOR PAINTS - COMPARISON OF COLOUR
BS 3900-B9:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of \'soluble\' cadmium content
BS 3900-B5:1986 Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Preparation of acid extracts from liquid paints or coating powders
BS 3483-B3:1982 Methods for testing pigments for paints Determination of residue on sieve (water method, using a manual procedure)

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