Home / Standards / GB/T 6730.70-2013 GB/T 6730.70-2013 Active Iron ores - Determination of total iron content - Titrimetric method after tin(Ⅱ) chloride reduction 铁矿石 全铁含量的测定 氯化亚锡还原滴定法 Standard Type GBT ICS 73.060.10 CCS D31 Status 现行 Issue Date 2013-05-09 Implementation 2014-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A