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2007 | 5 | 3 | 813-823
Tytuł artykułu

Determination of diclofenac in pharmaceuticals and urine samples using a membrane sensor based on the ion associate of diclofenac with Rhodamine B

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The potentiometric response characteristics of a diclofenac selective electrode, based on ion association in different plasticizers, were compared. The sensitivity, working range, detection limit and selectivity of membrane sensors demonstrated significant dependence on the type of plasticizers. The potentiometric unit presented a linear response toward diclofenac concentrations between 1 × 10−5 − 5 × 10−2 mol L−1, with slopes of approximately 60 mV dec−1, and exhibited a response time of 3 s. The potentiometric analysis of sodium diclofenac in pharmaceutical formulations was perfomed by the membrane electrode proposed and compared with the results of potentiometric titration given by the Pharmacopoeia of Ukraine. [...]
Wydawca

Czasopismo
Rocznik
Tom
5
Numer
3
Strony
813-823
Opis fizyczny
Daty
wydano
2007-09-01
online
2007-05-02
Twórcy
autor
  • Volyn State University, 43025, Lutsk, Ukraine
  • Volyn State University, 43025, Lutsk, Ukraine
  • Volyn State University, 43025, Lutsk, Ukraine
  • Lutsk Base Medical College, 43000, Lutsk, Ukraine
Bibliografia
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  • [22] Y.R. Bazel: “Ionophores based on cationic dye-containing ion pairs and their use in ion-selective electrodes”, J. Anal. Chem., Vol. 57, (2002), pp. 1066–1070. http://dx.doi.org/10.1023/A:1021420214513[Crossref]
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-007-0024-x
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