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Table 4 Results of intra-day precision of apigenin solution

From: A single robust stability-indicating RP-HPLC analytical tool for apigenin quantification in bulk powder and in nanoliposomes: a novel approach

Experiment time for day 1 Concentration (μg/ml) Peak area Retention time (min) (%)RSD of peak area
9:00 am 0.5 19,404.17 4.28 1.38
4 129,483 4.29 0.39
16 673,361.8 4.30 0.78
1:00 pm 0.5 19,404.17 4.31 1.38
4 129,707.2 4.29 0.27
16 673,361.8 4.28 1.05
6:00 pm 0.5 19,497.17 4.27 0.34
4 129,882.5 4.27 0.32
16 682,828 4.28 0.11
  1. RSD relative standard deviation