Validation and Application of Screen-Printed Microchip for Potentiometric Determination of Metformin Hydrochloride in Tablet Dosage Form

Table 3

MET % recovery studies and % RSD (n = 3).

Component	Concentration, (mol L^−1)	% recovery (average)	SD × 10^−4	% RSD
MET	0.0002	102.56	0.071	3.45
	0.002	103.13	0.29	1.41
	0.02	100.97	3.6	1.78