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BSI
BS 3900-B4:1986

BS 3900-B4:1986

Current

Current

The latest, up-to-date edition.

Methods of test for paints. Tests involving chemical examination of liquid paints and dried paint films Determination of total lead in paints and similar materials

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-01-1986

Publisher

British Standards Institution

National foreword
1 Scope and field of application
2 References
3 Principle
4 Dry ashing method
5 Wet oxidation method
6 Determination
7 Expression of results
8 Test report
Publications referred to

Two procedures: a dry ashing method and a wet oxidation method, to extract the lead from the paint, before determining the lead by a flame atomic absorption spectrometric method.

This International Standard describes a flame atomic absorption spectrometric method for the determination of total lead in paints and related products.

The method is applicable to products having total lead contents in the range of about 0,01 to 2 % (m/m).

NOTE This method may also be applicable to products with a total lead content of more than 2 % (m/m), but it should only be used when the precision does not exceed the appropriate values given in 7.2.

Two methods are given for the treatment of the test portion; the dry ashing method (clause 4) should be used as the referee method in cases of dispute.

For the determination of lead in the test solution, the dithizone spectrophotometric method specified in ISO 3856/1 may be used as an alternative method.

Committee
STI/10
DevelopmentNote
Also numbered as ISO 6503. Supersedes 79/55200 DC and BS 3900-B4(1967). (07/2005) Reviewed and confirmed by BSI, April 2013. (03/2013)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 1512:1991 Paints and varnishes Sampling of products in liquid or paste form
BS 3978:1966 Specification for water for laboratory use
ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
ISO 3851:1977 Capsulated dental silicate and silico-phosphate filling materials
BS 3900:GENINTRO(1969) : LATEST METHODS OF TEST FOR PAINTS - GENERAL INTRODUCTION
BS 3900-A1:1970 Methods of test for paints. Tests on liquid paints (excluding chemical tests) Sampling
BS 846:1985 Specification for burettes
ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 1513:2010 Paints and varnishes Examination and preparation of test samples
ISO 3856-1:1984 Paints and varnishes — Determination of "soluble" metal content — Part 1: Determination of lead content — Flame atomic absorption spectrometric method and dithizone spectrophotometric method

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Hardcopy - English
PDF - English
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