Research Article

Disposable Screen-Printed Microchip Based on Nanoparticles Sensitive Membrane for Potentiometric Determination of Lead

Table 2

Response parameters of the DSPLM electrode (t; 25°C, pH; 5, microchip assembly 2).

ParameterMicroelectrode assembly 2

Slope, mV/decade49 ± 1
Linear range, mole L−110−6−10−1
Detection limit, mole L−15 × 10−7
Response time, s10
Life span, months>4
pH range4–6