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Table 2 Application of the proposed and comparison methods to the determination of PG in pure form

From: Utility of certain nucleophilic aromatic substitution reactions for the assay of pregabalin in capsules

Parameter Method I Method II Comparison Method [3]
  Conc. Taken (μg mL-1) Conc. Found (μg mL-1) % Found Conc. Taken (μg mL-1) Conc. found (μg mL-1) % Found % Found
  2.00 2.05 102.50 0.50 0.50 100.00  
  3.00 3.02 100.67 2.00 1.96 98.00 100.89
  5.00 4.90 98.00 3.00 3.00 100.00 100.68
  12.00 12.02 100.17 4.00 4.02 100.50 98.62
  15.00 14.95 99.67 6.00 6.07 101.17 100.51
  20.00 20.08 100.40 8.00 7.94 99.25  
  25.00 24.93 99.72     
100.16 ± 1.35 99.82 ±1.09 100.18 ± 1.05
T 0.02 (2.26) a 0.51 (2.31) a  
F 1.65 (8.94) a 1.09 (9.01) a  
  1. Each result is the average of three seperete determinations.
  2. a_Values between brackets are the tabulated t and F values, at p = 0.05 [33].