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Eaton, A.D., Clescri, L.S. and Greenberg, A.E. (1995) Standard Methods for Examination of Water and Waste Water. American Public Health Association, Washington DC.

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• TITLE: Iron-Selective Electrode Based on Phosphorylated Calix-6-Arene Derivative

  AUTHORS: Mohsen M. Zareh, Wael Zordek, Ahmed Abd-Alhady

  KEYWORDS: Ferric Ion Determination, Ion Selective Electrode (ISE), PVC-Membrane

  JOURNAL NAME: Journal of Sensor Technology, Vol.4 No.4, December 25, 2014

  ABSTRACT: The construction and performance characteristics of a novel Iron(III) membrane sensor based on (37-bis-[(diethoxy-thiophosphoryl)-oxy]-5,11,17,23,29,35-hexa-kis-(1,1-dimethylethyl)-calix[6]-arene-38,39,40,41,42-pentol) (A) were reported in this paper. The sensor was prepared by incorporating compound (A) into a plasticized polyvinyl chloride PVC membrane. The electrode reveals a Nernstian behavior over a wide iron ion concentration range (1.0 × 10-2 - 1.0 × 10-4 mol·L-1), and relatively low detection limit (1.0 × 10-5 mol·L-1). The potentiometric response was independent on the pH of the solution in the range of 4 - 7. The electrode showed a very short response time (