ISO 6503:1984

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Peintures et vernis — Détermination du plomb total — Méthode par spectrométrie d’absorption atomique dans la flamme

Published By	Publication Date	Number of Pages
ISO	1984-10	12

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Categories: 87.040 - Paints and varnishes, ISO

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Description

The method is principle to coating materials having lead contents in the range of about 0,01 % (m/m) to 2 % (m/m), may also be applicable to products with a total lead content of more than 2 % (m/m) when the requirements of precision does not exceed the specified values. two methods are given. The principle of the dry ashing method consists in evaporation of a test portion to dryness and ashing at 475 C and extraction of any lead in the residue with hydrochloric acid; that of the wet oxidation method consists in wet oxidation of a test portion with a mixture of sulfuric acid and hydrogen peroxide or with sulfuric acid and nitric acid and extraction of any lead in the residue with EDTA and ammonia solution.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	1984-10
Pages Count	12
Language	France
Edition	1
File Size	1.4 MB
ICS Codes	87.040 - Paints and varnishes

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ISO 6503:1984

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