GSO ISO 619:2017

ISO 619:1981
Gulf Standard   Current Edition · Approved on 03 October 2017

Manganese ores -- Determination of chromium content -- Diphenylcarbazide photometric method and silver persulphate titrimetric method

GSO ISO 619:2017 Files

English 4 Pages
Current Edition Reference Language

GSO ISO 619:2017 Scope

This International Standard specifies two methods for the determination of chromium in manganese ores: - Method I: diphenylcarbazide photometric method, which is applicable to manganese ores having chromium contents less than 0,1 % (m/m); - Method II : silver persulphate titrimetric method, which is applicable to manganese ores having chromium contents greater than 0,1 % (m/m). This International Standard should be read in conjunction with ISO 4297.

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