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Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water

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Abstract

Polarography of the copper(II)-complexes of chelating agents is shown to be a suitable basis for a summation parameter for the total concentration of these chemicals in water (expressed as the copper-complexation index). Using 12 chelating agents (ATMP, BAED, CDTA, DTPA, DTPMP, EDTA, EDTMP, EDTP, EGTA, HEDP, NTA, PBTC) all listed in DIN 38409-H26 and DIN 38413-P5 a satisfactory reproducibility of the method used was obtained. In addition several commercial tensides, detergents in washing and deliming products were investigated.

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Received: 26 January 2000 / Revised: 9 May 2000 / Accepted: 12 May 2000

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Esser, S., Wenclawiak, B. & Gabelmann, H. Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water. Fresenius J Anal Chem 368, 250–255 (2000). https://doi.org/10.1007/s002160000545

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  • DOI: https://doi.org/10.1007/s002160000545

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