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)
LowMediumHighLowMediumHighRSD (%)RSD (%)

11.081.030.771.982.171.891.462.31
20.310.400.391.141.070.841.031.26
30.520.700.581.421.170.941.011.11
41.861.861.602.132.301.921.972.44
50.500.680.610.620.620.660.560.79
60.570.590.601.040.880.990.690.90
70.860.960.731.040.760.860.700.87
81.081.381.281.731.742.091.381.27
91.051.161.111.683.332.962.843.02
100.981.530.981.401.211.281.041.81
110.570.670.560.740.740.770.540.70
120.650.650.500.790.790.520.600.63
130.590.710.560.320.520.320.520.66
140.700.660.620.520.871.110.820.93
152.392.191.900.931.121.401.251.78
161.211.131.020.640.580.681.311.58
172.353.333.061.621.701.472.981.70
180.990.600.450.670.700.860.650.74

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