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Esser S, Wenclawiak BW, Gabelmann H. Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water. Fresenius J Anal Chem. 2000;368(2):250-5doi: 10.1007/s002160000545.
Esser, S., Wenclawiak, B. W., & Gabelmann, H. (2000). Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water. Fresenius' journal of analytical chemistry, 368(2), 250-5. https://doi.org/10.1007/s002160000545
Esser, S, et al. "Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water." Fresenius' journal of analytical chemistry vol. 368,2 (2000): 250-5. doi: https://doi.org/10.1007/s002160000545
Esser S, Wenclawiak BW, Gabelmann H. Copper-complexation index as a polarographic summation parameter for the determination of chelating agents in water. Fresenius J Anal Chem. 2000 Sep-Oct;368(2):250-5. doi: 10.1007/s002160000545. PMID: 11220588.
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Fresenius J Anal Chem. 2000 Sep-Oct;368(2):250-5. doi: 10.1007/s002160000545.

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

Fresenius' journal of analytical chemistry

S Esser, B W Wenclawiak, H Gabelmann

Affiliations

  1. KSM-Analytik GmbH, Mainz, Germany.

PMID: 11220588 DOI: 10.1007/s002160000545

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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