Chapter 27 Study Guide

Which Van Deemter Term is more important in gas chromatography? (p 703)

Be able to draw the basic schematic for a gas chromatograph (Fig 27-1)

Columns: Packed and open tubular.

What are the characteristics of an ideal detector?

Know how each of the following detectors work and their strengths and weaknesses.

FID, TCD, SCD, FPD

Properties of Columns: Table 27-1

Be familiar with table 27-2

What is the retention index?

Hyphenated techniques: GCMS and GCIR

Problems -10, 12, 18, 19,22, 23, 27