Home / Standards / HJ 546-2009 HJ 546-2009 Abolished 环境空气 五氧化二磷的测定 抗坏血酸还原-钼蓝分光光度法(暂行) Standard Type HJ54 ICS N/A CCS N/A Status Abolished Issue Date 2009-12-31 Implementation 2010-04-01 Centralized Committee 生态环境部 Issuing Authority 生态环境部