Thiocyanate Ion-selective PVC Membrane Electrode Based on N,N'-Ethylene-bis(4-methylsalicylidineiminato)nickel(II)

• MAZLOUM ARDAKANI M.

  Chemistry Department, Yazd University

• JAMSHIDPOUR M.

  Chemistry Department, Kashan University

• NAEIMI H.

  Chemistry Department, Kashan University

• MORADI L.

  Chemistry Department, Kashan University

Bibliographic Information

Other Title

• Thiocyanate Ion selective PVC Membrane Electrode Based on N N Ethylene bis 4 methylsalicylidineiminato nickel 2
• Thiocyanate Ion-selective PVC Membrane Electrode Based on N,N′-Ethylene-bis(4-methylsalicylidineiminato)nickel(II)

Abstract

A highly selective poly(vinyl chloride) (PVC) membrane electrode based on an N,N′-ethylene-bis(4-methyl-salicylidineiminato) nickel(II) [Ni(EBMSI)] complex as a carrier for a thiocyanate-selective electrode is reported. The influences of the membrane composition, pH and possible interfering anions were investigated based on the response properties of the electrode. The electrode exhibited a good Nernstian slope of -58.9 ± 0.7 mV decade^-1, over a wide pH range of 3.5 - 8.5 and a linear range of 1.0 × 10^-6 - 1.0 × 10^-1 M for thiocyanate. The detection limit of electrode was 3.1 × 10^-7 M SCN^-. The selectivity coefficients determined by a fixed interference method (FIM) indicate that a good discriminating ability towards the SCN^- ion compared to other anions. The proposed sensor had a fast response time of about 5 - 15 s and could be used for at least 3 months without any considerable divergence in the potential. It was applied as an indicator electrode in the titration of thiocyanate with Ag⁺ and in the potentiometric determination of thiocyanate in saliva and urine samples.

Journal

• Analytical Sciences

  Analytical Sciences 22 (9), 1221-1226, 2006

  The Japan Society for Analytical Chemistry

Keywords

• Analytical Chemistry

Details

• CRID: 1390282679232966528
• NII Article ID: 130004441344
• NII Article ID: 10018064342
• NII Book ID: AA10500785
• DOI: 10.2116/analsci.22.1221
• COI: 1:CAS:528:DC%2BD28XhtVanu7jL
• ISSN: 13482246
• ISSN: 09106340
• NDL BIB ID: 8050810
• PubMed: 16966813
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8050810
• Web Site: https://link.springer.com/content/pdf/10.2116/analsci.22.1221.pdf
• Web Site: https://link.springer.com/article/10.2116/analsci.22.1221/fulltext.html
• Web Site: http://www.jstage.jst.go.jp/article/analsci/22/9/22_9_1221/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • PubMed
  • CiNii Articles
• Abstract License Flag: Disallowed