Active standard | Published: 01/11/1984

ISO 5997:1984

Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method
(Minerais et concentrés de chrome — Dosage du silicium — Méthode par spectrométrie d´absorption moléculaire et méthode gravimétrique)

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Detail information

Designation: ISO 5997:1984

Publication date: 01/11/1984

Pages: 5

Country: International technical standard

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Anotation

Description / Abstract: The molecular absorption spectrometric method (A) is applicable to products having silicon contents from 0,05 to 0,5 % (m/m), the gravimetric method (B) is applicable to products having silicon contents from 0,5 to 15 % (m/m). ISO 5997 should be read in conjunction with ISO 4297. Specifies among other things principle, reagents, apparatus, procedure, spectrometric measurement (method A only) and expression of results.

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