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Table 3 Precision of the intra-day and inter-day measurements

From: An optimized high-performance liquid chromatography (HPLC) method for benzoylmesaconine determination in Radix Aconiti Lateralis Preparata (Fuzi, aconite roots) and its products

Conc. μg/ml

Intra-day a

Inter-day b

Peak areas Mean (SD)

RSD %

Precision %

Peak areas Mean (SD)

RSD %

Precision %

Low (4.08)

63.0 (0.8)

1.36

95.90%

65.3 (0.5)

0.88

95.08%

Mid (20.42)

303.1 (0.4)

0.15

95.48%

309.9 (1.8)

0.60

95.80%

High (122.52)

1870.0 (7.5)

0.39

97.55%

1890.0 (17.8)

0.95

98.59%

  1. Note: a: n = 5; b: n = 6 (twice a day for three consecutive days).
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Chinese Medicine

ISSN: 1749-8546

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