Home / Standards / GB/T 14679-1993 GB/T 14679-1993 Abolished Air quality--Determination of ammonia--Sodium salicylate-sodium hypochlorite spectrophotometric method 空气质量 氨的测定 次氯酸钠-水杨酸分光光度法 Standard Type GBT ICS 13.040.20 CCS Z15 Status 废止 Issue Date 1993-09-18 Implementation 1994-03-15 Responsible Dept 生态环境部 Drafting Unit N/A