Home / Standards / GB/T 23990-2009 GB/T 23990-2009 Active Determination of the contents of benzene,toluene,ethylbenzene and xylene in coatings by gas chromatography 涂料中苯、甲苯、乙苯和二甲苯含量的测定 气相色谱法 Standard Type GBT ICS 87.040 CCS G50 Status 现行 Issue Date 2009-06-02 Implementation 2010-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A