What effect does these changes have in the retention time of a gas chromatography?

Question

1. The velocity of the flow of the carrier gas diminishes: Does the retention time increases, diminishes or stays the same?

2. The temperature of the column increases: Does the retention time increases, diminishes or stays the same?

3. The length of the column increases: Does the retention time increases, diminishes or stays the same?

Please help, guys. Thanks in advance

Answer 1

1) Increases

2) Decreases

3) Decreases.

Answer 2

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