Home / Standards / GB/T 6730.5-2007 GB/T 6730.5-2007 Abolished Iron ores - Determination of total iron content - Titanium(III) chloride reduction method 铁矿石 全铁含量的测定 三氯化钛还原法 Standard Type GBT ICS 73.060.10 CCS D31 Status 废止 Issue Date 2007-08-14 Implementation 2008-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A