Home / Standards / GB/T 1506-2002 GB/T 1506-2002 Abolished Manganese ores--Determination of manganese content--Potentiometric method and ammonium iron (II) sulphate titrimetric method 锰矿石 锰含量的测定 电位滴定法和硫酸亚铁铵滴定法 Standard Type GBT ICS 73.060.20 CCS D32 Status 废止 Issue Date 2002-09-11 Implementation 2003-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会