Home / Standards / GB/T 13580.11-1992 GB/T 13580.11-1992 Active Determination of ammonium in the wet precipitation 大气降水中铵盐的测定 Standard Type GBT ICS 13.060.10 CCS Z10 Status 现行 Issue Date 1992-07-01 Implementation 1993-03-01 Responsible Dept 生态环境部 Drafting Unit N/A