China 'GB/T 23277-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23277-2009
Chemical analysis methods of catalysts containing precious metals - Determination of platinum, palladium and rhodium in automobile exhaust-purifying catalysts - Spectrophotometry 贵金属催化剂化学分析方法 汽车尾气净化催化剂中铂、钯、铑量的测定 分光光度法
Issued Date:2009-01-05
Implemented Date:2009-11-01
Issued by:
The Standardization Administration of the People's Republic of China