Home / Standards / GB 9801-88 GB 9801-88 Ambient air—Determination of carbon monoxide—Non-dispersive infrared method 空气质量 一氧化碳的测定 非分散红外法 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A