Potentiometric Multisensory Systems with Novel Ion-Exchange Polymer-Based Sensors for Analysis of Drugs

Table 4

The actual and measured values of the analyte concentrations for some test solutions ThiaminCl + KCl + NaCl, NovHCl + KCl + NaCl.

Test solution	Added, M			Found, M
	X^+	K^+	Na^+	X^+	K^+	Na^+
Thiamin^+, ThiaminH^2+(X) K^+ Na^+Cl^−	1.0⋅10^−4	1.0⋅10^−3	1.0⋅10^−2	(1.0+0.05)⋅10^−4	(1.0+0.10)⋅10^−3	(1.0+0.12)⋅10^−2
	1.0⋅10^−3	1.0⋅10^−2	1.0⋅10^−3	(1.0±0.04)⋅10^−3	(1.0±0.13)⋅10^−2	(1.0±0.04)⋅10^−3
	1.0⋅10^−2	1.0⋅10^−4	1.0⋅10^−3	(1.0±0.03)⋅10^−2	(1.0±0.15)⋅10^−4	(1.0±0.04)⋅10^−3
NovH^+(X) K^+ Na^+Cl^−	1.0⋅10^−4	1.0⋅10^−4	1.0⋅10^−4	(1.0±0.03)⋅10^−4	(1.0±0.10)⋅10^−4	(1.0±0.20)⋅10^−4
	1.0⋅10^−4	1.0⋅10^−3	1.0⋅10^−2	(1.0±0.02)⋅10^−4	(1.0±0.11)⋅10^−3	(1.1±0.10)⋅10^−2
	1.0⋅10^−3	1.0⋅10^−2	1.0⋅10^−3	(1.0±0.01)⋅10^−3	(1.1±0.01)⋅10^−2	(1.0±0.02)⋅10^−3