China 'GB/T 6609.8-2004
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 6609.8-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of chromium sesquioxide content--Diphenyl carbazide photometric method 氧化铝化学分析方法和物理性能测定方法 二苯基碳酰二肼光度法测定三氧化二铬含量
Issued Date:2004-02-05
Implemented Date:2004-07-01
Issued by:
The Standardization Administration of the People's Republic of China