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Flow Injection Titration of Chloride in Electroplating Baths with a Silver Tubular Electrode as a Detector

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Abstract

A flow injection system has been constructed for the “pseudo-titration” of chloride in electroplating baths with potentiometric detection. A silver ion-selective tubular electrode based on a homogeneous crystalline membrane was used. The FIA manifold has been developed and optimized in order to analyze samples with a chloride concentration range of 6.0×10-2 M to 2.5 M. The proposed method is precise (relative standard deviation about 5%) and the results obtained by a simultaneous application of the FIA method and an automatic precipitation titration method, adopted as a reference technique, are in good agreement (r=0.996). The sampling rate for the FIA manifold is 78 samples per hour.

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Authors and Affiliations

  1. Departamento de Química Analítica, Escuela Universitaria de Ingeniería Técnica Industrial, Plaza de la Casilla 3, 48012, Bilbao, España

    Ma Begoña Etxebarria & Ricardo Pérez-Olmos

  2. CEQUP-Departamento de Quínica-Física, Faculdade de Farmácia, Rua Aníbal Cunha 164, 4050, Porto, Portugal

    José L. F. C. Lima & Ma Conceição B. S. M. Montenegro

Authors
  1. Ma Begoña Etxebarria
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  2. José L. F. C. Lima
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  3. Ma Conceição B. S. M. Montenegro
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  4. Ricardo Pérez-Olmos
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Etxebarria, M.B., Lima, J.L.F.C., Montenegro, M.C.B.S.M. et al. Flow Injection Titration of Chloride in Electroplating Baths with a Silver Tubular Electrode as a Detector. ANAL. SCI. 13, 89–92 (1997). https://doi.org/10.2116/analsci.13.89

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  • DOI: https://doi.org/10.2116/analsci.13.89

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