Gas chromatography and lipids - Chapter 5

Gas Chromatography and Lipids - Chapter 5

Fatty acid	Stationary phase
Table 5.2 Equivalent chain-lengths of the methyl ester derivatives of isomeric C₁₈ cis-mono- and dienoic fatty acids [170].
	Silicone	Carbowax	Silar 5CP	CP-Sil84

3-18:1	17.91	18.44	18.47	18.64
4-18:1	17.80	18.19	18.21	18.30
5-18:1	17.72	18.09	18.17	18.29
6-18:1	17.75	18.18	18.25	18.43
7-18:1	17.72	18.14	18.24	18.40
8-18:1	17.72	18.14	18.29	18.43
9-18:1	17.73	18.16	18.30	18.47
10-18:1	17.75	18.19	18.32	18.49
11-18:1	17.78	18.23	18.36	18.54
12-18:1	17.83	18.30	18.46	18.62
13-18:1	17.89	18.37	18.52	18.67
14-18:1	17.95	18.46	18.57	18.76
15-18:1	18.00	18.56	18.62	18.83
16-18:1	18.19	18.84	18.91	19.14
17-18:1	17.94	18.54	18.61	18.82

3,6-18:2	17.73	18.69	18.74	19.14
4,7-18:2	17.58	18.43	18.48	18.82
5,8-18:2	17.53	18.36	18.48	18.85
6,9-18:2	17.59	18.47	18.63	19.04
7,10-18:2	17.57	18.45	18.70	19.02
8,11-18:2	17.61	18.50	18.75	19.12
9,12-18:2	17.65	18.58	18.80	19.20
10,13-18:2	17.73	18.67	18.88	19.30
11,14-18:2	17.81	18.79	18.98	19.41
12,15-18:2	17.89	18.91	19.08	19.51
13,16-18:2	18.12	19.28	19.41	19.90
14,17-18:2	17.90	18.98	19.06	19.52

5,12-18:2	17.56	18.40	18.60	18.93
6,12-18:2	17.60	18.48	18.69	19.06
7,12-18:2	17.56	18.40	18.64	18.99
8,12-18:2	17.63	18.49	18.70	19.07
6,10-18:2	17.58	18.42	18.61	18.94
6,11-18:2	17.52	18.38	18.62	18.93

This document is part of the book "Gas Chromatography and Lipids" by William W. Christie and published by the Oily Press, Bridgwater in 1989.

Scottish Crop Research Institute (and MRS Lipid Analysis Unit), Invergowrie, Dundee (DD2 5DA), Scotland