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Solvent Sublation-Spectrophotometric Determination of Trace Nickel(II) in Drinking Water

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Abstract

A solvent sublation-spectrophotometric method lor the determination of nickel(II) is proposed. Solvent sublation is used here to concentrate trace nickel(II) using 1-(2-pyridylazo)-2-naphthol (PAN) as a collector. At pH 3 to 11 a red complex of nickel(II) formed with PAN can be floated with the aid of small nitrogen bubbles, then dissolved in benzene. The main factors affecting the solvent sublation of nickel(II) were determined by an orthogonal experimental method. This method permits the determination of nickel(II) in the range 0- 1 jag/ml and can be applied to samples of drinking water with good results.

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Authors and Affiliations

  1. Department of Polymer Chemical Engineering, Liaoyang Petro-Chemical College, Liaoyang, China

    Dong Huiru, Yang Shouzhen & Liu Jialai

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  1. Dong Huiru
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  2. Yang Shouzhen
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  3. Liu Jialai
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Huiru, D., Shouzhen, Y. & Jialai, L. Solvent Sublation-Spectrophotometric Determination of Trace Nickel(II) in Drinking Water. ANAL. SCI. 5, 601–604 (1989). https://doi.org/10.2116/analsci.5.601

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  • DOI: https://doi.org/10.2116/analsci.5.601

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