Table 4.

Dependence of the retention of hydroxy acids on their chain length as measured in various solutions.

	NP030			NF090801
	Sol1	Sol2	Sol4	Sol1	Sol2	Sol4
C2+C3	0.54	0.75	0.72	0.61	0.77	0.72
C4	0.58	0.49	0.20	0.58	0.62	0.28
C5	0.73	0.75	0.55	0.77	0.69	0.45
C6	0.69	0.68	0.54	0.73	0.68	0.61