4. You are developing a GC method to separate xylene isomers (xylenes are benzene rings with two methyl groups, which ca

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4 You Are Developing A Gc Method To Separate Xylene Isomers Xylenes Are Benzene Rings With Two Methyl Groups Which Ca 1 (33.36 KiB) Viewed 73 times

4. You are developing a GC method to separate xylene isomers (xylenes are benzene rings with two methyl groups, which can be oriented ortho, meta, and para to each other). In the first run, the peaks come out too close together. If you want to increase retention, you should: a) Run the column at a higher temperature b) Run the column at a lower temperature c) Inject a larger volume d) Inject a smaller volume e) None of these