Salbutamol plastic membrane electrodes based on individual and mixed ion-exchangers of salbutamolium phosphotungstate and phosphomolybdate

Abdel‐Ghani, Nour T.; Rizk, Mahmoud S.; El‐Nashar, Rasha M.

doi:10.1039/b000861n

Cited by 34 publications

(9 citation statements)

References 23 publications

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“…The conventional-type electrodes were constructed as previously described [ 9 ]. The membrane composition was studied by varying the percentages (w/w) of the ion exchanger(s), PVC, and DOP until optimum composition that exhibits the best performance characteristics, and Nernestian behavior is reached.…”

Section: Methodsmentioning

confidence: 99%

Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples

El‐Nashar

2008

Journal of Automated Methods and Management in Chemistry

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Different hexoprenaline (Hx2SO4) conventional and coated wire electrodes were constructed and evaluated. Membranes were based on hexoprenalinium phosphotungstate (Hx-PTA) and hexporenalinium phosphomolybdate (Hx-PMA). The electrodes were fully characterized in terms of their composition, response time, life span, pH, and temperature and then were applied to the potentiometric determination of the hexoprenalinium ion in its pure state, pharmaceutical preparations, and biological samples, urine and plasma, under batch and flow injection conditions. The selectivity of the electrodes towards many inorganic cations, sugars, amino acids, and some other brochodilatures of close chemical composition was also tested.

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Section: Methodsmentioning

confidence: 99%

Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples

El‐Nashar

2008

Journal of Automated Methods and Management in Chemistry

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“…For many years, the method of determination of degree of interference by means of selectivity coefficients of electrodes in potentiometric measurements was a subject of discussion in the literature [20]. Two specialized IUPAC committees were convened with regard to the measurements of potentiometric selectivity coefficients.…”

Section: Selectivity Measurementsmentioning

confidence: 99%

Carbon Paste Electrodes for Oxomemazine Hydrochloride: Fabrication and Evaluation

et al. 2020

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The evaluation of oxomemazine hydrochloride (OXCl) prepared in carbon paste electrodes is reported in detail. There are many practical techniques and experiments for electrode preparation one of them is mixing of the ion-pair with ion pairing agent. Prepared electrodes gave satisfactory data in ranging from (0.018 to 18.35) mg based on Nernstian cationic slopes, the used electrodes refer to the standard data obtained at (slope 58.7±2.1 mV decade-1) by using sodium tetraphenylborate (NaTPB) and rapid response time equal to 15 s and lifetime approximately equal to (4 weeks). The prepared electrodes can be counted as end point indicator electrode for potentiometric titration of oxomemazine Hydrochloride OXCl resulting in a high percentage of accuracy.

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“…The conventional electrodes were constructed as described previously [21,22]. The membrane composition was selected by varying the percentage content (w/w) of the ion exchanger, PVC and DOP until optimum conditions were reached.…”

Section: Preparation Of Electrodesmentioning

confidence: 99%

Flow-injection potentiometric and conductometric determination of papaverine hydrochloride in the parent substance and a related pharmaceutical preparation

et al. 2007

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Papaverine (Pap) ion-selective plastic membrane electrodes based on ion associates of papaverine with phosphotungstic acid (Pap -PTA) and phosphomolybdic acid (Pap -PMA) were prepared and fully characterized in terms of membrane composition, life span, pH, and temperature. The proposed electrodes were applied to potentiometeric determination of papaverine in the parent substance and a related pharmaceutical preparation under batch and flow-injection analysis conditions. In addition, conductometric titrations were used for the assay of papaverine in the parent substance and the related pharmaceutical preparation. The selectivity of electrodes with respect to a large number of foreign inorganic cations, amino acids, and sugars was tested. The solubility product of the ion associate and the rate constant of the precipitation reaction leading to the ion associate formation were determined conductometrically.

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Salbutamol plastic membrane electrodes based on individual and mixed ion-exchangers of salbutamolium phosphotungstate and phosphomolybdate

Cited by 34 publications

References 23 publications

Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples

Flow Injection Potentiometric Assay of Hexoprenaline in Its Pure State, Pharmaceutical Preparations, and Biological Samples

Carbon Paste Electrodes for Oxomemazine Hydrochloride: Fabrication and Evaluation

Flow-injection potentiometric and conductometric determination of papaverine hydrochloride in the parent substance and a related pharmaceutical preparation

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