Home / Standards / GB/T 4919-1985 GB/T 4919-1985 Abolished Waste water from manufacturing process--Determination of total nitro compounds--Gas chromato-graphic method 工业废水 总硝基化合物的测定 气相色谱法 Standard Type GBT ICS 13.060.30 CCS Z23 Status 废止 Issue Date 1985-01-18 Implementation 1985-08-01 Responsible Dept 生态环境部 Drafting Unit N/A