El-Nashar RM. Flow injection potentiometric assay of hexoprenaline in its pure state, pharmaceutical preparations, and biological samples.
JOURNAL OF AUTOMATED METHODS & MANAGEMENT IN CHEMISTRY 2008;
2008:586310. [PMID:
18483573 PMCID:
PMC2375976 DOI:
10.1155/2008/586310]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2007] [Accepted: 04/07/2008] [Indexed: 05/26/2023]
Abstract
Different hexoprenaline (Hx(2)SO(4)) 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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