Skip to main content
. 2021 Aug 25;2021:8889423. doi: 10.1155/2021/8889423

Table 1.

The results of partition coefficients.

System Sample Peak area CA or CB (μg/ml) Partition coefficients K K (avg.) R.S.D. % (n = 3)
1 B 13958213 340.89 36.62 36.72 1.31
A 383660 9.31
B 13936925 340.37 36.29
A 386525 9.38
B 14138345 345.29 37.24
A 382022 9.27

2 B 13961488 340.97 42.00 40.37 3.51
A 334942 8.12
B 14056876 343.30 39.64
A 357049 8.66
B 14024944 342.52 39.47
A 357868 8.68

3 B 14275491 348.64 45.18 46.70 3.18
A 318567 7.72
B 14247243 347.95 48.14
A 298507 7.23
B 14171506 346.10 46.77
A 305466 7.40

4 B 14118285 344.80 46.67 47.04 2.78
A 305057 7.39
B 14198116 346.75 48.50
A 295231 7.15
B 14093721 344.20 45.96
A 309151 7.49

System 1: ethyl acetate/0.5% phosphoric acid; 2: ethyl acetate/1.0% phosphoric acid; 3: ethyl acetate/3.0% phosphoric acid; 4: ethyl acetate/5.0% phosphoric acid; AC: the organic phase; and BC: the aqueous phase.