Home / Standards / GB/T 11736-1989 GB/T 11736-1989 Abolished Standard method for hygienic examination of chlorine in air of residential areas--Methyl orange spectrophotometric method 居住区大气中氯卫生检验标准方法 甲基橙分光光度法 Standard Type GBT ICS 13.040.20 CCS C51 Status 废止 Issue Date 1989-09-21 Implementation 1990-07-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A