Reference number
ISO 5997:1984
ISO 5997:1984
© ISO 2024
International Standard
ISO 5997:1984
Chromium ores and concentrates — Determination of silicon content — Molecular absorption spectrometric method and gravimetric method
Edition 1
1984-11
1984-11
ISO 5997:1984
12193
Published
(Edition 1, 1984)
This publication was last reviewed and confirmed in 2022.
Therefore this version remains current.
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.
General information
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Status: PublishedPublication date: 1984-11Stage: International Standard confirmed [90.93]
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Edition: 1Number of pages: 5
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Technical Committee :ISO/TC 132ICS :73.060.30
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