Home / Standards / GB/T 31197-2014 GB/T 31197-2014 Active Inorganic chemicals for industrial use―Determination of impurity anions―Ion chromatography method 无机化工产品 杂质阴离子的测定 离子色谱法 Standard Type GBT ICS 71.060.01 CCS G10 Status 现行 Issue Date 2014-09-03 Implementation 2015-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A