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Purification of indium by vacuum distillation and its analysisLI Dong-sheng(李冬生)1,2,3, DAI Yong-nian(戴永年)1,2,3, YANG Bin(杨斌)1,2,3, LIU Da-chun(刘大春) 1,2,3, DENG Yong(邓勇) 1,2,3(1. National...% or 5N, mass fraction) indium (In) was obtained through vacuum distillation using a 2N (99%) In as input material under a dynamic vacuum of 5 Pa. The glow discharge mass spectrometry (GDMS) was applied......
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Preparation of high-purity bismuth by sulphur deleadization in vacuum distillation XIONG Li-zhi(熊利芝)1, HE Ze-qiang(何则强)1, LIU Wen-ping(刘文萍)1, MA Cheng-jin(麻成金)1, DAI Yong-nian(戴永年)2 (1. College..., China) Abstract: The feasibility of separation of impurities in refined bismuth and sulphur deleadization with vacuum distillation was studied theoretically. Experimental studies on sulphur......
Vacuum distillation refining of metallurgical grade silicon (Ⅰ)--Thermodynamics on removal of phosphorus from metallurgical grade silicon WEI Kui-xian(魏奎先)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian... equilibrium composition diagram of Si-P binary alloy at different temperatures. The behaviors of impurity phosphorus in the vacuum distillation process were examined. The results show that the vacuum......
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Preparation of high-purity tantalum ethoxide by vacuum distillation YANG Sheng-hai(杨声海)1, CHEN Yong-ming(陈永明)1, YANG Hai-ping(杨海平)1, LIU Yin-yuan(刘银元)1, TANG Mo-tang(唐谟堂)1, QIU Guan-zhou(邱冠周)2...; Abstract: Effects of reflux ratio, water addition and content of water in ethanol on the purity and yield of tantalum ethoxide during vacuum distillation were......
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