This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
Method I is applicable to manganese ores having chromium contents less than 0.1 % (m/m), method II is applicable to manganese ores having chromium contents greater than 0.1 % (m/m). This second edition cancels and replaces the first edition (i.e. ISO 619-1975). Should be read in conjunction with ISO 4297.
Status : PublishedPublication date : 1981-12
Edition : 2Number of pages : 4
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