Home / Standards / GB/T 7474-1987 GB/T 7474-1987 Abolished Water quality--Determination of copper--Sodium diethyldithiocabamate spectrophotometric method 水质 铜的测定 二乙基二硫代氨基甲酸钠分光光度法 Standard Type GBT ICS 13.060 CCS Z16 Status 废止 Issue Date 1987-03-06 Implementation 1987-08-01 Responsible Dept 生态环境部 Drafting Unit N/A