. Author manuscript; available in PMC: 2015 Jun 1.

Published in final edited form as: Drug Test Anal. 2013 Sep 20;6(6):542–551. doi: 10.1002/dta.1534

Table 3.

Chromatographic data of 3,4-Methylenedioxyphenyl-2-butanamine hydrochloride and phenylpropanolamine on the LARIHC CF6-P column with different amounts of ACN in the mobile phase (0.3AA/0.2TEA), UV detection at 254 nm, flow rate:1 ml/min

	Mobile Phase (0.3AA/0.2TEA)		3,4-Methylenedioxyphenyl- 2-butanamine hydrochloride				Phenylpropanolamine
	% ACN	% MeOH	r_t1/min	r_t2/min	α	R_s	r_t1/min	r_t2/min	α	R_s
1	10	90	4.5	4.6	1.04	1.2	4.8	4.9	1.04	1.2
2	20	80	4.6	4.6	1.04	1.3	4.9	5.1	1.04	1.3
3	40	60	3.3	3.3	1.05	1.4	7.2	7.4	1.06	1.4
4	60	40	9.9	10.5	1.08	1.5	13.9	14.9	1.08	1.5
5	85	15	13.6	14.6	1.09	2.0	21.2	23.0	1.10	2.0