Corroles as receptors in liquid membrane electrodes and their potentiometric response towards salicylic acid

Jerzy Radecki, Iwona Stenka, Eduard Dolusic, Wim Dehaen

Research output: Contribution to journalArticle

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Abstract

Here, we report on the application of corroles as analytically active compounds in liquid membrane electrodes (ISE) that are sensitive towards salicylic acid and salicylate. The potentiometric signals generated by corrole-incorporated ISEs strongly depend on the pH of the aqueous sample solution and the membrane composition, such as the presence of lipophilic sites. Corrole incorporating ISEs are characterised by a low detection limit (4.0×10minus5 M) and a wide linear range (4.0×10minus5 to 5.3×10minus3 M). Also, they are free from interference versus other organic anions. The mechanism of the generation of the potentiometric signals of corrole incorporating ISEs in the presence of salicylate anion, as well salicylic acid, will be discussed.
Original languageEnglish
Pages (from-to)2282-2288
Number of pages7
JournalElectrochimica Acta
Volume51
Issue number11
DOIs
Publication statusPublished - 2006

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Liquid membrane electrodes
Salicylic acid
Salicylic Acid
Negative ions
Salicylates
Anions
Membranes
Chemical analysis
corrole

Keywords

  • Potentiometric response
  • Salicylic acid
  • Liquid membrane
  • Corroles

Cite this

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abstract = "Here, we report on the application of corroles as analytically active compounds in liquid membrane electrodes (ISE) that are sensitive towards salicylic acid and salicylate. The potentiometric signals generated by corrole-incorporated ISEs strongly depend on the pH of the aqueous sample solution and the membrane composition, such as the presence of lipophilic sites. Corrole incorporating ISEs are characterised by a low detection limit (4.0×10minus5 M) and a wide linear range (4.0×10minus5 to 5.3×10minus3 M). Also, they are free from interference versus other organic anions. The mechanism of the generation of the potentiometric signals of corrole incorporating ISEs in the presence of salicylate anion, as well salicylic acid, will be discussed.",
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Corroles as receptors in liquid membrane electrodes and their potentiometric response towards salicylic acid. / Radecki, Jerzy; Stenka, Iwona; Dolusic, Eduard; Dehaen, Wim.

In: Electrochimica Acta, Vol. 51, No. 11, 2006, p. 2282-2288.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Corroles as receptors in liquid membrane electrodes and their potentiometric response towards salicylic acid

AU - Radecki, Jerzy

AU - Stenka, Iwona

AU - Dolusic, Eduard

AU - Dehaen, Wim

PY - 2006

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AB - Here, we report on the application of corroles as analytically active compounds in liquid membrane electrodes (ISE) that are sensitive towards salicylic acid and salicylate. The potentiometric signals generated by corrole-incorporated ISEs strongly depend on the pH of the aqueous sample solution and the membrane composition, such as the presence of lipophilic sites. Corrole incorporating ISEs are characterised by a low detection limit (4.0×10minus5 M) and a wide linear range (4.0×10minus5 to 5.3×10minus3 M). Also, they are free from interference versus other organic anions. The mechanism of the generation of the potentiometric signals of corrole incorporating ISEs in the presence of salicylate anion, as well salicylic acid, will be discussed.

KW - Potentiometric response

KW - Salicylic acid

KW - Liquid membrane

KW - Corroles

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JF - Electrochimica Acta

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