Home / Standards / GB/T 8969-1988 GB/T 8969-1988 Abolished Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method 空气质量 氮氧化物的测定 盐酸萘乙二胺比色法 Standard Type GBT ICS 13.040.20 CCS Z15 Status 废止 Issue Date 1988-03-30 Implementation 1988-08-01 Responsible Dept 生态环境部 Drafting Unit N/A