中華人民共和國國家標準
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 貴金屬催化劑化學分析方法 汽車尾氣淨化催化劑中鉑、钯、铑量的測定 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