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Table 2 Precision of the proposed methods for the analysis of pregabalin

From: A novel method for spectrophotometric determination of pregabalin in pure form and in capsules

Pregabalin (mg/ml) Within day, n = 3 Between day, n = 3
  Mean ± SD RSD (%) Mean ± SD RSD (%)
0.2 0.288 ± 0.14 0.49 0.287 ± 0.0005 0.0020
0.4 0.551 ± 0.28 0.51 0.551 ± 0.0004 0.0007
0.6 0.890 ± 0.42 0.48 0.890 ± 0.0003 0.0004
0.8 1.451 ± 0.56 0.39 1.452 ± 0.0005 0.0004
1.0 1.989 ± 0.71 0.36 1.990 ± 0.0003 0.0002