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Table 3 Application of the proposed method for determination of the studied drugs in their synthetic mixtures.

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

Sample

Concentration taken (μg/mL)

Concentration found(μg/mL)

Recovery %

 

MTP

FDP

MTP

FDP

MTP

FDP

MTP and FDP mixture

5.0

0.5

4.987

0.494

99.73

98.72

 

8.0

0.8

7.942

0.796

99.27

99.56

 

10.0

1.0

9.931

0.982

99.31

98.2

X

    

99.44

98.83

± SD

    

± 0.255

± 0.686

% RSD

    

0.256

0.694

% Error

    

0.148

0.401

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