GB/T 21131-2007
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21131-2007
Environmental tobacco smoke Estimation of its contribution to respirable suspended particles Determination of particulate matter by ultraviolet absorbance and by fluorescence 环境烟草烟气 可吸入悬浮颗粒物的估测 用紫外吸收法和荧光法测定粒相物
Issued Date:2007-10-16
Implemented Date:2008-01-01
Issued by:
The Standardization Administration of the People's Republic of China