硒的氢化物发生原子吸收法研究

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摘要氢化物发生原子吸收法是测定硒常用的方法之一,但测定受Cu2+、Ag+、Ni2+等金属离子的干扰。为了消除于扰,人们曾使用EDTA、柠檬酸、1,10-邻二氮杂菲、硫脲、盐酸和Fe3+

作者余万俊鲁长豪肖志芳王光建

机构地区华西医科大学卫生检测教研室

出处《现代预防医学》 CAS 1989年第2期6-10,共5页 Modern Preventive Medicine

关键词载气流速氢化物发生原子化器原子吸收硒标准溶液原子化温度电热石英管溶液浓度反应瓶邻二氮杂菲

参考文献8

1王光建,鲁长豪.氢化物发生原子吸收光谱法测定尿中砷[J]四川医学院学报,1985(03).
2Oster O and Prellwitz w.Methodological comparison of hydride generation and carbon-furnace atomic absorption spectrometry for determination of selenium in serum.Clin. Chem. Acta . 1982
3Vijan PN and Leung D.Reduction of chemical interference and speciation studies in hydride generation-atomic absorption method for selenium. Analytica Chimica Acta . 1980
4Bye R. et al.Thiourea as a complexing agent for reduction of copper interference in determination of selenium by hydride generation/ atomic absorption spectrometry. Analytical Biochemistry . 1983
5Chan CCY.Semiautomated method for determination of selenium in geological materials using a flow injection analysis technique. Analytical Biochemistry . 1985
6Welz B and Melcher M.Mechanisms of transition metal interference in hydride generation-atomic absorption speectrometry.part 3. Releasing effect of iron (Ⅲ) on nickel interference of arsenic and selenium. The Analyst . 1984
7Parasis NE and Heyndriekx A.Methods for improving the sensitivity and reproducibility of hydride-for-ming elements atomic absorption spectrometry. The Analyst . 1986
8Bye R.Citric acid as a masking agent for high concentrations of nickel in the determination of selenium by hydride generation atomic-absorption spectrometry. The Analyst . 1985

现代预防医学

1989年第2期

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