Home / Standards / GB/T 11446.7-2013 GB/T 11446.7-2013 Active Test method for trace anion in electronic grade water by ion chromatography 电子级水中痕量阴离子的离子色谱测试方法 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2013-12-31 Implementation 2014-08-15 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A