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"犧牲"陽極法合成乙醇鉭研究
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TQ150.1

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國家自然科學(xué)基金(50404011)及中國博士后科學(xué)基金(20040350187)


Electrochemical Synthesis of Tantalum Ethoxide Using Sacrificing Anode
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    摘要:

    研究了"犧牲"陽極法電化學(xué)合成乙醇鉭過程中,添加劑種類與濃度、電解液溫度、陰陽極極距和電流密度的影響.選取最佳合成條件為四甲基氯化銨0.04 mol/L,溫度為電解液的沸騰溫度,極距約2 cm,電流密度220 A/m2.電合成的混合液經(jīng)常壓蒸餾和減壓蒸餾,得到產(chǎn)品用紅外光譜、拉曼光譜和元素分析進行表征,確定了產(chǎn)品為乙醇鉭.電合成的電流效率大于95%,產(chǎn)品蒸餾時鉭的直收率82.8%.

    Abstract:

    The effects of additive species, additive concentration, temperature, anode to cathode distance and current density on the electrochemical synthesis of tantalum ethoxide using sacrificing anode method have been investigated. The optimum conditions were tetramethylammonium chloride 0.04 mol/L, boiling temperature, distance 2 cm and current density 220 A/m2. After treating the mixed solution with general distillation and reduced distillation, the final product were characterized by fourier transform infrared(FTIR) spectrum, Raman spectra and elemental analyses. The product is tantalum penta-ethoxide. Current efficiency is more than 95%, and recovery ratio of tantalum during distillation is 82.8%.

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楊聲海 潘澤強 李朝暉 唐謨堂 邱冠周."犧牲"陽極法合成乙醇鉭研究[J].稀有金屬材料與工程,2006,35(4):625~628.[Yang Shenghai, Pan Zeqiang, Li Zhaohui, Tang Motang, Qiu Guanzhou. Electrochemical Synthesis of Tantalum Ethoxide Using Sacrificing Anode[J]. Rare Metal Materials and Engineering,2006,35(4):625~628.]
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  • 最后修改日期:2005-01-21
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