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Table 4 Validation of the proposed method for determination of MTP and FDP raw materials using SSF mode

From: Synchronous fluorescence spectrofluorimetric method for the simultaneous determination of metoprolol and felodipine in combined pharmaceutical preparation

Concentration added (μg/ml)

% Found

% RSD

% Error

MTP

   

Repeatability

   

5.0

99.96 ± 1.73

1.73

1.00

8.0

100.09 ± 1.75

1.75

1.01

10.0

100.02 ± 0.22

0.22

0.13

Intermediate precision

   

5.0

99.66 ± 1.64

1.65

0.95

8.0

100.09 ± 1.00

1.00

0.58

10.0

100.05 ± 0.68

0.68

0.39

FDP

   

Repeatability

   

0.5

100.10 ± 1.57

1.57

0.90

0.8

100.07 ± 1.52

1.51

0.87

1.0

100.23 ± 1.45

1.45

0.83

Intermediate precision

   

0.5

99.79 ± 1.31

1.31

0.76

0.8

100.36 ± 0.91

0.90

0.52

1.0

100.06 ± 1.62

1.62

0.93

  1. Each result is the average of three separate determinations.