Home / Standards / GB/T 11890-1989 GB/T 11890-1989 Abolished Water quality--Determination of benzeneand its analogies--Gas chromatographic method 水质 苯系物的测定 气相色谱法 Standard Type GBT ICS N/A CCS Z16 Status 废止 Issue Date 1989-11-03 Implementation 1990-07-01 Responsible Dept 生态环境部 Drafting Unit N/A