OS GSO ISO 5997:2017
Omani Standard
Current Edition
·
Approved on
03 October 2017
Chromium ores and concentrates -- Determination of silicon content -- Molecular absorption spectrometric method and gravimetric method
OS GSO ISO 5997:2017 Files
English
5 Pages
Current Edition
Reference Language
19.17 OMR
OS GSO ISO 5997:2017 Scope
This International Standard specifies the following methods for the determination of the silicon content of chromium ores and concentrates :
— method A : molecular absorption spectrometric method, applicable to products having silicon contents from 0,05 to 0,5 % (m/m);
— method B : gravimetric method, applicable to pro-ducts having silicon contents from 0,5 to 15 % (m/m).
This International Standard should be read in conjunction with ISO 6629.
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