Home / Standards / GB/T 24579-2009 GB/T 24579-2009 Active Test method for measuring surface metal contamination of polycrystalline silicon by acid extraction-atomic absorption spectroscopy 酸浸取 原子吸收光谱法测定多晶硅表面金属污染物 Standard Type GBT ICS 29.045 CCS H80 Status 现行 Issue Date 2009-10-30 Implementation 2010-06-01 Responsible Dept 国家标准委 Drafting Unit N/A