GB/T 6150.1-2008
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 6150.1-2008
Methods for chemical analysis of tungsten concentrates - Determination of tungsten trioxide content - The ammonium tungstate igniting gravimetric method 钨精矿化学分析方法 三氧化钨量的测定 钨酸铵灼烧重量法
Issued Date:2008-03-31
Implemented Date:2008-09-01
Issued by:
The Standardization Administration of the People's Republic of China