. Author manuscript; available in PMC: 2011 Jan 1.

Published in final edited form as: J Liq Chromatogr Relat Technol. 2010 Jan 1;33(4):563–571. doi: 10.1080/10826070903574659

Table 1.

The K (partition coefficient) values of compounds 1 and 4 in 7 different two-phase solvent systems

solvent system	ratio	K₁ of compound 1	K₂ of compound 4
Ethyl acetate-n-butanol-water	5:3:5	923.11	212.37
	5:2:5	-	523.67
Chloroform-methanol-n-butanol-water	5:6:1:4	0.46	0.26
	5:6:0.5:4	0.53	0.55
Chloroform-methanol-water	4:3:2	1.39	2.07
	4:5:3	4.32	1.88
	4:4:2	0.62	0.88