Home / Standards / GB/T 23950-2009 GB/T 23950-2009 Abolished Inorganic chemicals for industrial use - General method for determination of heavy metals 无机化工产品中重金属测定通用方法 Standard Type GBT ICS 71.060.01 CCS G10 Status 废止 Issue Date 2009-06-02 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A