- 期刊
Development of High Performance Ion-Selective Electrode for in Situ Measurements
並列摘要
A glafenine (GL) ion-selective PVC membrane electrode based on ion-pair complex of (GL) with ammonium reineckate (RK) was prepared with [bis(2-ethylhexylsebacate)] as a plasticiser. The electrode exhibits a linear response with a Nernstian slope (29.8 mV decade^(-1) at 20℃) with the concentration range of 1×10^(-5)-1×10^(-2)M GL. The electrode response was not sensitive to pH changes between 1-4.5 and not affected by possible interfering species such as common inorganic cations, sugars and amino-acids. The electrode shows good stability, reproducibility and fast response. These characteristics of the electrode enabled it to be used successfully for the determination of GL in pure form and in pharmaceutical preparations.
延伸閱讀
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