International Journal of Analytical Chemistry / 2009 / Article / Tab 1

Research Article

Preparation, Characterization, and Analytical Application of Ramipril Membrane-Based Ion-Selective Electrode

Table 1

Response characteristics of ramipril membrane-based selective electrodes.

ParameterRamipril Ramipril
phosphomolibdatetetraphenylborate

Slope, mV/decade 53 ± 0.5 54 ± 0.5
Linear range, mol L−11 × 10−2–1 × 10−51 × 10−2–1 × 10−5
Lower limit of detection,4.0 × 10−63.0 × 10−6
mol L−1
Response time, (s)<20<15
Life time, (d)6050
Working pH range1–3.81–4

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