China 'GB/T 20127.4-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20127.4-2006
Steel and alloy - Determination of trace element contents Part 4: Determination of copper content by graphite furnace atomic absorption spectrometric method 钢铁及合金 痕量元素的测定 第4部分:石墨炉原子吸收光谱法测定铜含量
Issued Date:2006-03-02
Implemented Date:2006-09-01
Issued by:
The Standardization Administration of the People's Republic of China