Home / Standards / GB/T 6730.24-2006 GB/T 6730.24-2006 Abolished Iron ores - Determination of total rare earth contents - Chlorophosphonazo mA spectrophotometric method 铁矿石 稀土总量的测定 萃取分离-偶氮氯膦mA分光光度法 Standard Type GBT ICS 73.060.10 CCS D31 Status 废止 Issue Date 2006-11-01 Implementation 2007-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会