Home / Standards / GB/T 7467-1987 GB/T 7467-1987 Active Water quality--Determination of chromium(Ⅵ)--1，5 Diphenylcarbohydrazide spectrophotometric method 水质 六价铬的测定 二苯碳酰二肼分光光度法 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