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Table 4 Precision and accuracy for determination of PDE in tablets

From: Selective spectrofluorimetric method for the determination of perindopril erbumine in bulk and tablets through derivatization with dansyl chloride

Tablets

Labeled amount of PDE

Average PDE found (mg/tablet) ± SD a (recovery %) b

t - and F test c

Proposed method

Reference method d

Revosyl

4 mg

4.10 ± 0.036 (102.50)

4.06 ± 0.024 (101.50)

1.734, 2.207

 

8 mg

8.34 ± 0.064 (104.25)

8.44 ± 0.040 (105.50)

2.464, 2.612

Neomeril

4 mg

3.86 ± 0.035 (96.50)

3.90 ± 0.026 (97.50)

1.604, 1.830

 

8 mg

7.77 ± 0.075 (97.12)

7.87 ± 0.042 (98.37)

2.299, 3.196

  1. aAverage and standard deviation of five determinations for the proposed method and three determinations for the reference method.
  2. bRecoveries were calculated considering the labeled amount reported by the manufacturer.
  3. cThe tabulated t-value at 95% confidence limit for 4 degrees of freedom (n = 5) is 2.78 and the tabulated F value at 95% confidence limit for (4, 2) degrees of freedom for the proposed and reference methods, respectively, is 6.944.
  4. dHPLC (Raju and Rao 2011.