英文标准名称:Iron ores for shaft direct-reduction feedstocks - Determination of the reducibility index, final degree of reduction and degree of metallization
英文标准名称:Iron ores for shaft direct-reduction feedstocks - Determination of the low temperature reduction-disintegration index and degree of metallization
英文标准名称:Manganese and chromium ores - Experimental methods for evaluation of quality variation and methods for checking the precision of sampling
英文标准名称:Manganese and chromium ores - Experimental methods for checking the bias of sampling and sample preparation
英文标准名称:Chromium ores and concentrates - Determination of chromium content - Titrimetric method
英文标准名称:Chromium ores and concentrates - Determination of aluminium content - Complexometric method
英文标准名称:Chromium ores and concentrates - Methods of chemical analysis - General instruction
英文标准名称:Chromium ores and concentrates - Determination of silicon content - Spectrophotometric method and gravimetric method
英文标准名称:Chromium ores - Determination of total iron content - Titrimetric method after reduction
英文标准名称:Chromium ores - Determination of phosphorus content - Reduced molybdophosphate photometric method
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