Table 5 Determination of pholcodine and ephedrine in their prepared syrup by the synchronous spectrofluorimetric method (Method II).

From: Determination of pholcodine alone or in combination with ephedrine in human plasma using fluorescence spectroscopy

Prepared syrup (4 mg PHL + 7 mg EPH)

Proposed method

PHL

EPH

Amount taken (μg/mL)

% Found*

Amount taken (μg/mL)

% Found*

 

0.40

101.20

0.70

100.35

 

0.10

100.95

0.175

100.43

 

0.20

100.54

0.35

101.01

Mean

 

100.90

 

100.60

 ± S.D

 

0.33

 

0.36

t**

 

0.68 (2.77)

 

0.24 (2.77)

F**

 

3.25 (19.00)

 

2.46 (19.00)

  1. *Each result is average of 3 separate determinations.
  2. **Values between parentheses are the tabulated values of t-test and F-test at p = 0.0550.
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