Home / Standards / GB/T 6730.28-2006 GB/T 6730.28-2006 Abolished Iron ores―Determinaton of fluorine content―Ion-selective electrode method 铁矿石 氟含量的测定 离子选择电极法 Standard Type GBT ICS 73.060.10 CCS D31 Status 废止 Issue Date 2006-08-16 Implementation 2007-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A