BS 3900-B4:1986
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
Hardcopy , PDF
English
31-01-1986
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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.
| 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 |
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.
| 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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