Home / Standards / GB/T 27581-2011 GB/T 27581-2011 Active Electromagnetic interference shielding Film - Electroless copper plating solution - Method of determining concentration of Ni2+ and Cu2+ 电磁屏蔽膜 化学镀铜溶液 镍离子和铜离子含量测定方法 Standard Type GBT ICS 71.080.99 CCS G80 Status 现行 Issue Date 2011-12-05 Implementation 2012-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit 中国石油和化学工业联合会