示差脉冲极谱法测定海水中痕量锗

杨逸萍; 胡明辉

示差脉冲极谱法测定海水中痕量锗

厦门大学海洋学系

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- 被引次数: 0
出版历程
- 收稿日期: 1989-03-16
- 修回日期: 1989-12-03

摘要

摘要: 海水中Ge(Ⅳ)含量很低,一般为ng/dm³数量级^[1-3]。目前用于海水中Ge(Ⅳ)的分析方法不多。早年有人用共沉淀富集-苯基芴酮盐光度法,近年则采用氢化物发生石墨炉原子吸收法^[1]。80年代以来,我国一些研究者陆续利用Ge(Ⅳ)与某些多元酚(如邻苯三酚,邻苯二酚等)的络合物在V(Ⅳ)等氧化剂存在下产生的灵敏吸附催化波,进行矿石,合金等样品中微量锗的测定^[4,5]。但至今尚未见应用电分析法于海水中锗的分析。本文拟提出一个灵敏的示差脉冲极谱法,以测定海水中痕量Ge(Ⅳ),并避免通常多次分离手续^[6,7]。

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参考文献(8)

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魏显有,锗的催化极谱波研究及其在矿石分析中的应用,分析化学,10 (1982),4:193-196.

刘翰晟,高阻镍合金中锗的连苯三酚方波极谱测定,理化检验(化学分册).19 (1983),2:20-22.

Donaldson,E.M.,Spectrophotometric.determination of germanium in ores,Concentrates,zine proeessing products and related materials with phenyl fluorene and cetyltri methy lammonium bromide after separation by iron collection and heptane extraction of qermaniumtetrachloride,Talanta,31 (1984),11:997-1004.

Haddur,R.G and S,M.Khopkar.Extraction chromato graphic separation of germanium with troctylphosphirtg oxide,Anal.Letter,17 (1984),.A15:1754-1762.

Keith,L.H.et al.,Principles of environmental analysis,Anal.Chem.,55 (1983).4:2210-2218.

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