引用本文:
韩汉民, 李化龙. 由工业碲制备高纯碲[J]. 应用化学,
1998, 15(5): 104-105.
Citation: Han Hanmin, Li Hualong. Preparation of High Purity Tellurium[J]. Chinese Journal of Applied Chemistry, 1998, 15(5): 104-105.
Citation: Han Hanmin, Li Hualong. Preparation of High Purity Tellurium[J]. Chinese Journal of Applied Chemistry, 1998, 15(5): 104-105.
English
Preparation of High Purity Tellurium
Abstract:
Tellurium of high purity (99.999%) was prepared from technical tellurium (99%) through oxidation to tellurium dioxide, dissolution in NaOH, changing into Na2TeO4 by treatment with Na2S° 9H2O and H2O2, successively. The HCl solution of Na2TeO4 was then treated with SO2 gas to give high purity tellurium.
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Key words:
- high purity tellurium
- / preparation
- / purification
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