Home / Standards / GB/T 11893-1989 GB/T 11893-1989 Active Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method 水质 总磷的测定 钼酸铵分光光度法 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