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Determination of antimony in rain water at the nanogram level with surfactant and brilliant green

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Abstract

A new, simple, selective and sensitive method for the spectrophotometric determination of antimony in rain water is described. It includes preconcentrating Sb with surfactants (i.e. cetylpyridinium chloride (CPC) and Triton X-100 (TX-100)) into toluene and allowing the extract to react with a dye, i.e. brilliant green (BG). The value of apparent molar absorptivity is 5.55 × 105 L-mol–1· cm–1 at λmax = 620 nm; the detection limit is 3 ng/mL Sb in rain water at 3-fold preconcentration.

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Received: 6 June 1997 / Revised: 1 August 1997 / Accepted: 5 August 1997

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Tripathi, A., Patel, K. Determination of antimony in rain water at the nanogram level with surfactant and brilliant green. Fresenius J Anal Chem 360, 270–272 (1998). https://doi.org/10.1007/s002160050689

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  • DOI: https://doi.org/10.1007/s002160050689

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