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Table 3 Characteristics of performance of FUR sensors

From: Application of ion pair complexes to design novel potentiometric membrane sensors for direct determination of frusemide in pharmaceuticals

Parameters

FUR-BPB sensor

FUR-BCG sensor

Calibration range, mol/L

2.40 × 10-5 to 2.40 × 10-3

LOD, mol/L

9.1 × 10-6

1.18 × 10-5

Slope of calibration curve (m), mV/decade

58.73 ± 1

57.65 ± 1

Intercept of calibration curve (b), mV

322.80

336.89

Correlation coefficient of calibration curve (r)

0.9987

0.9980

Response time, s

10

10

Working pH,

3.71

Temperature, °C

23–37

Life span of sensors, days

60