International Journal of Analytical Chemistry / 2020 / Article / Tab 2 / Research Article
Simultaneous Quantitative Determination of Polyphenolic Compounds in Blumea balsamifera (Ai-Na-Xiang, Sembung) by High-Performance Liquid Chromatography with Photodiode Array Detector Table 2 The results of precision, repeatability, and stability.
No. Intraday (RSD, %, n = 6) Interday (n = 6) Repeatability (n = 6) Stability (n = 6, 18 h) Low Medium High Low Medium High RSD (%) RSD (%) 1 1.08 1.03 0.77 1.98 2.17 1.89 1.46 2.31 2 0.31 0.40 0.39 1.14 1.07 0.84 1.03 1.26 3 0.52 0.70 0.58 1.42 1.17 0.94 1.01 1.11 4 1.86 1.86 1.60 2.13 2.30 1.92 1.97 2.44 5 0.50 0.68 0.61 0.62 0.62 0.66 0.56 0.79 6 0.57 0.59 0.60 1.04 0.88 0.99 0.69 0.90 7 0.86 0.96 0.73 1.04 0.76 0.86 0.70 0.87 8 1.08 1.38 1.28 1.73 1.74 2.09 1.38 1.27 9 1.05 1.16 1.11 1.68 3.33 2.96 2.84 3.02 10 0.98 1.53 0.98 1.40 1.21 1.28 1.04 1.81 11 0.57 0.67 0.56 0.74 0.74 0.77 0.54 0.70 12 0.65 0.65 0.50 0.79 0.79 0.52 0.60 0.63 13 0.59 0.71 0.56 0.32 0.52 0.32 0.52 0.66 14 0.70 0.66 0.62 0.52 0.87 1.11 0.82 0.93 15 2.39 2.19 1.90 0.93 1.12 1.40 1.25 1.78 16 1.21 1.13 1.02 0.64 0.58 0.68 1.31 1.58 17 2.35 3.33 3.06 1.62 1.70 1.47 2.98 1.70 18 0.99 0.60 0.45 0.67 0.70 0.86 0.65 0.74