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Study on the spectrophotometric determination of micro amounts of selenium(IV) with 2,3-diaminonaphthalene in the presence of sodium dodecylsulphate

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Abstract.

A method for the spectrophotometric determination of micro amounts of selenium(IV) in aqueous phase has been developed. A time-consuming extraction process is not required due to the use of sodium dodecylsulphate (SDS). Over the range of 0–40 μg/10 ml the calibration curve is linear with Sandell's sensitivity being 0.0029 μg.cm–2. As compared with the toluene-extraction spectrophotometry, the present method is simple, rapid and sensitive. It has satisfactorily been used for the determination of Se(IV) in human hair.

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Authors and Affiliations

  1. Department of Chemistry, Shandong University, Jinan 250100, People's Republic of China, , , , , , CN

    Xirong Huang, Nianqin Jie, Wenjuan Zhang, Yongquan Yin & Hua Shao

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  1. Xirong Huang
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  2. Nianqin Jie
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  3. Wenjuan Zhang
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  4. Yongquan Yin
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  5. Hua Shao
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Received: 20 January 1995 / Revised: 28 March 1995 / Accepted: 31 March 1995

Correspondence to: X. Huang

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Huang, X., Jie, N., Zhang, W. et al. Study on the spectrophotometric determination of micro amounts of selenium(IV) with 2,3-diaminonaphthalene in the presence of sodium dodecylsulphate. Fresenius J Anal Chem 354, 195–199 (1996). https://doi.org/10.1007/PL00012712

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  • DOI: https://doi.org/10.1007/PL00012712

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