+91 80984 42953 hello@sascert.in
Verify a certificate ISO standards library Download brochure
ISO 4740:1985Withdrawn

Copper and copper alloys — Determination of zinc content — Flame atomic absorption spectrometric method

Cuivre et alliages de cuivre — Dosage du zinc — Méthode par spectrométrie d'absorption atomique dans la flamme

Abstract / scope

The method is applicable to the determination of zinc contents between 0.001 and 6 % (m/m). ISO 4740 does not apply to copper alloys containing more than 10 % (m/m) of lead. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.