Home / Standards / GB/T 7473-1987 GB/T 7473-1987 Abolished Water quality--Determination of copper--2,9-dimethy-1,10-phenanthroline spectrophotometric method 水质 铜的测定 2,9-二甲基-1,10-菲啰啉分光光度法 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