Properties of naproxen ion-selective electrodes

• Authors: Joanna Lenik , Cecylia Wardak , Barbara Marczewska
• Languages of publication: EN

Abstracts

EN

Naproxen membrane electrodes based on different plasticizers and the quaternary ammonium salts (QASs) dimethyldidecylammonium bromide, methyltrioctylammonium chloride, or tetraoctylammonium chloride, were prepared. The following basic parameters were investigated for the optimal electrode: measurement range (10−4 − 10−1 mol L−1), slope of the linear range of the calibration curve (−58.3 mV decade−1), limit of detection (6.0 × 10−5 mol L−1), lifetime (2.5 months), dependence of the electrode potential on pH (5.5 − 9.0), reproducibility of potential (1.2 mV) and selectivity coefficients in relation to selected organic and inorganic anions. The electrode was utilized for determination of naproxen in tablets by the calibration curve method and the standard addition method. [...]

Keywords

EN

Membrane sensor; Naproxen determination; Optimisation of membrane phase; Quaternary ammonium salts

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2008
• Volume: 6
• Issue: 4
• Pages: 513-519

Dates

published

1 - 12 - 2008

online

28 - 10 - 2008

Contributors

author

Joanna Lenik

• Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031, Lublin, Poland

author

Cecylia Wardak

• Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031, Lublin, Poland

author

Barbara Marczewska

• Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031, Lublin, Poland

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Identifiers

DOI

10.2478/s11532-008-0075-7