Home / Standards / GB/T 27838-2011 GB/T 27838-2011 Active Test method for hazard classification of alkylsulphonic acids and arylsulphonic acid mixtures 烷基磺酸和芳基磺酸类物质危险特性分类方法 Standard Type GBT ICS N/A CCS A80 Status 现行 Issue Date 2011-12-30 Implementation 2012-08-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委