Test method for the content of metal impurity in electronic grade polysilicon—Inductively coupled-plasma mass spectrometry method
全国半导体设备和材料标准化技术委员会(SAC/TC 203)、全国半导体设备和材料标准化技术委员会材料分会（SAC/TC 203/SC 2)
本标准规定了电感耦合等离子体质谱仪（ICP-MS)测定电子级多晶硅中痕量基体金属杂质含量的方法。
本标准适用于GB/T 12963中在基体金属杂质小于5 ng/g范围内铁、铬、镍、铜、锌、钠含量的测定。
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