| 铍的极谱吸附波研究 |
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| 引用本文： | 安镜如,谢玫.铍的极谱吸附波研究[J].福州大学学报(自然科学版),1985(1):174-179. |
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| 作者姓名： | 安镜如 谢玫 |
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| 作者单位： | 福州大学化学系
(安镜如)，福州大学化学系(谢玫) |
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| 摘 要： | 本文介绍了铍与钍试剂Ｉ络合物的极谱特性．在氨性介质中，铍与钍试剂Ｉ生成具有电活性的络合物．该络合物在－０．６４Ｖ有一灵敏的吸附波．最适宜的底液条件为 ０．２Ｍ ＮＨ３·Ｈ２Ｏ－１．０ＭＮＨ４Ｃｌ—０．００２％钍试剂 Ｉ—０．１３％ＥＤＴＡ。铍的测定范围为０．０００２～１．０ 微克／毫升．研究了干扰情况，对极谱波的还原机理进行了初步探讨，并成功地应用于环境样品煤飞灰中痕量铍的测定．
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| 关 键 词： | POLAROGRAPHIC STUDY ADSORPTIVE WAVE |
POLAROGRAPHIC STUDY ON ADSORPTIVE WAVE OF BERYLLIUM |
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| An Jingru and Xie Mei.POLAROGRAPHIC STUDY ON ADSORPTIVE WAVE OF BERYLLIUM[J].Journal of Fuzhou University(Natural Science Edition),1985(1):174-179. |
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| Authors: | An Jingru and Xie Mei |
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| Institution: | The Department of chemistry |
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| Abstract: | The polarographic behaviour of the electro-active complex formed by beryl- lium with thoron in the ammonium hydroxide medium has been studied. The complex give, a sensitive adsorptive wave at the peak potential -0 .54v The most suitable supporting electrolyte in the one composed of 0 .2M NH3.H2O- 1.0 M NH.C1-0.002% thoron-0.13% EDTA. With this system beryllium can be detected in the range 0. 0002~1. 0ug/ml. Investigation has also been made of the interferences of other materials and the mechanism of the polarogra- phic wave. The above hod has been successfully used in the determination of trace amounts of beryllium in coal fly ash for giving environmental analysis. |
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| Keywords: | POLAROGRAPHIC STUDY ADSORPTIVE WAVE |
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