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. Author manuscript; available in PMC: 2014 Feb 22.

Published in final edited form as: J Chromatogr A. 2012 Dec 26;1278:133–144. doi: 10.1016/j.chroma.2012.12.041

Fig. 2 — Separation of atropisomers of selected chiral PCBs requires more than one enantioselective gas chromatography column. Representative chromatograms showing the separation of (A) PCB 45 atropisomers on the BGB column; (B) PCB 84 atropisomers on the BGB column; (C) PCB 91 atropisomers on the BGB column; (D) PCB 95 atropisomers on the CD column; (E) PCB 131 atropisomers on the BGB column; (F) PCB 132 atropisomers on the BGB column; (G) PCB 135 atropisomers on the BGB column; (H) PCB 136 atropisomers on the CD column; (I) PCB 149 atropisomers on the BGB column; (J) PCB 174 atropisomers on the BGB column; (K) PCB 176 atropisomers on the CD column; and (L) PCB 183 atropisomers on the BGB column.

Fig. 2 — Separation of atropisomers of selected chiral PCBs requires more than one enantioselective gas chromatography column. Representative chromatograms showing the separation of (A) PCB 45 atropisomers on the BGB column; (B) PCB 84 atropisomers on the BGB column; (C) PCB 91 atropisomers on the BGB column; (D) PCB 95 atropisomers on the CD column; (E) PCB 131 atropisomers on the BGB column; (F) PCB 132 atropisomers on the BGB column; (G) PCB 135 atropisomers on the BGB column; (H) PCB 136 atropisomers on the CD column; (I) PCB 149 atropisomers on the BGB column; (J) PCB 174 atropisomers on the BGB column; (K) PCB 176 atropisomers on the CD column; and (L) PCB 183 atropisomers on the BGB column.