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Table 3 Day to day reproducibility of the proposed membrane sensors

From: Potentiometric determination of moxifloxacin in some pharmaceutical formulation using PVC membrane sensors

Parameter

Moxifloxacin (400 μg/ml)* within- day

Moxifloxacin (400 μg/ml)* within-days

MOX-TPB

MOX-PM

MOX-PT

MOX-TPB

MOX-PM

MOX-PT

R,%

98.5

99.1

98.60

98.3

99.0

98.5

R.S.D,%

1.76

1.65

1.78

1.9

1.7

1.9

E,%

1.52

0.9

1.41

1.72

1.0

1.52

Slope

53.0 × 0.5

54.5 × 0.5

55.0 × 0.5

53.0 × 0.6

54.5 × 0.6

55.0 × 0.6

Correlation coefficient

0.998

0.998

0.997

0.997

0.997

0.997

  1. *Average of 5 measurements × RSD.
  2. *R%, recovery percentage; RSD relative standard deviation.
  3. *E, is error% ( actual concentration -found concentration/actual concentration%).