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  • BSI
    BS 3900-B4:1986, ISO 6503:1984 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
    Edition: 1986
    $281.30
    / user per year

Description of BS 3900-B4:1986 1986

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.



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.

Standard NumberBS 3900-B4:1986, ISO 6503:1984
TitleMethods of test for paints. Tests involving chemical examination of liquid paints and dried paint films - Determination of total lead in paints and similar materials
StatusUnder Review
Publication Date1986-01-31
ReplacesBS 3900:Part B4:1967
DescriptorsAtomic absorption spectrophotometry, Reproducibility, Determination of content, Oxidation methods, Lead, Testing conditions, Calibration, Chemical analysis and testing, Solvent extraction methods, Coatings, Ash determination, Flame photometry, Varnishes, Paints
ICS87.040 Paints and varnishes
CommitteeSTI/10
ISBN0 580 14804 1
PublisherBSI
Pages14

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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