Home / Standards / GB/T 11911-1989 GB/T 11911-1989 Active Water quality--Determination of iron and manganese--Flame atomic absorption spectrometric method 水质 铁、锰的测定 火焰原子吸收分光光度法 Standard Type GBT ICS N/A CCS Z16 Status 现行 Issue Date 1989-11-03 Implementation 1990-07-01 Responsible Dept 生态环境部 Drafting Unit N/A