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YANG Jie, YE Qiliang, ZHANG Hong, HUANG Yiming, WEN Tao, GUO Changjuan*. Digestion Method of Polysilicon[J]. Journal of South China Normal University (Natural Science Edition), 2016, 48(3): 97-101.
Citation: YANG Jie, YE Qiliang, ZHANG Hong, HUANG Yiming, WEN Tao, GUO Changjuan*. Digestion Method of Polysilicon[J]. Journal of South China Normal University (Natural Science Edition), 2016, 48(3): 97-101.
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Digestion Method of Polysilicon

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  • 〖JP2〗An acid-soluble digestion method of polysilicon sample was explored. The acid-soluble systems of hydrofluoric acid and nitric acid were confirmed. The optimized acid digestion ratio of V(H2O)〖KG-1.8mm〗∶〖KG-1mm〗V(HF)〖KG-1.8mm〗∶〖KG-1mm〗V(HNO3) was 20〖KG-1mm〗∶〖KG-1mm〗28〖KG-1mm〗∶〖KG-1mm〗10 for polysilicon powder samples. Comparing the digestion effect of closed digestion at room temperature, ultrasound-assisted digestion, water bath heating-assisted digestion and microwave digestion, it was found that the closed 〖JP3〗digestion at room temperature for one hour is the most convenient and effective way to digest polysilicon powder sample. 〖JP〗
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