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

Table 2

The coefficient estimates from the multivariate calibration equations without taking into account any interference of components to the responses of sensors 𝐴_𝑘 and 𝐵_𝑘.

Test solution

LysHCl (pC1) + KCl (pC2) +

ThiaminCl (pC1) + KCl

NovHCl (pC1) + KCl

Niacin (pC1) +

NaCl (pC3)  + MgSO4 (pC4)

(pC2) + NaCl (pC3)

(pC2) + NaCl (pC3)

PyridoxinHCl (pC2)

Sensor

A1

B1

B2

B3

A1

B1

B2

A1

B1

B2

A1

A2

𝑏0±Δ𝑏0

31±6

359±4

28±2

266±6

38±4

381±16

80±1.6

8±8

359±8

70±8

−44±4

−40±4

𝑏1±Δ𝑏1

−6±1.1

—

—

−2±2

−15±1.1

−34±4

−12±0.4

−14±2

—

−11±2

−3±1.1

−8±1.1

𝑏2±Δ𝑏2

−11±1.1

−42±4

−13±1

—

−15±1.1

−16±4

−15±0.4

−13±2

−41±8

−12±2

−37±1.1

−35±1.1

𝑏3±Δ𝑏3

−17±1.1

—

−27±1

—

−12±1.1

—

−17±0.4

−8±2

—

−23±2

—

—

𝑏4±Δ𝑏4

−5±1.1

—

—

−20±2

—

—

—

—

—

—

—

—

Δ𝐸/𝐸,%

3

3

9

0.3

10

6

7

10

2

15

4

1.4