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ISO 5997:1984 Preview
Chromium ores and concentrates -- Determination of silicon content -- Molecular absorption spectrometric method and gravimetric method
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
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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Current status : PublishedPublication date : 1984-11
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Edition : 1Number of pages : 5
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- ICS :
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Chromium ores
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