Home / Standards / GB/T 7475-1987 GB/T 7475-1987 Active Water quality--Determination of copper， zinc， lead and cadmium--Atomic absorption spectrometry 水质 铜、锌、铅、镉的测定 原子吸收分光光度法 Standard Type GBT ICS 13.060 CCS Z16 Status 现行 Issue Date 1987-03-06 Implementation 1987-08-01 Responsible Dept 生态环境部 Drafting Unit N/A