Active standard | Published: 17/12/1998

ISO 12740:1998

Lead sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
(Concentrés sulfurés de plomb — Dosage de l´argent et de l´or — Méthode par voie seche et spectrométrie d´absorption atomique dans la flamme a partir d´une scorification ou d´une coupellation)

Available languages: English

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Detail information

Designation: ISO 12740:1998

Publication date: 17/12/1998

Pages: 26

Country: International technical standard

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Anotation

Description / Abstract: This International Standard specifies a fire assay and flame atomic absorption spectrometric procedure for the determination of silver and gold contents of lead sulfide concentrates. The method is applicable to the determination of silver and gold in lead sulfide concentrates containing 10 % (m/m) to 80 % (m/m) lead. The method is applicable to silver contents from 200 g/t to 2 000 g/t and gold contents from 0,1 g/t to 25 g/t.

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