Page 106 - Basic Gas Chromatography

Inlets Selection Column 93 their by applications most in offset is limitation This columns. capillary on-column direct example, For operation. of ease and capacity increased than results quantitative better providing often possible, is injection syringe good show also columns ‘“‘megabore”’ or widebore These columns. packed analysis. of speed Length Column longer

and Benzene Toluene m-Xylene T T sec 2,000/1.
Columns Ease Fair Good good Very 1. 2. 3. T T © split cm/s,

Capillary Capacity Fair Good good Very T T 3.60 200 H, d;,

Diameter Speed good Good Good , T T 2.40 LD., “um 0.1

of Column Resolution Very good Good _—s*~FFair 2 l \ T r ym 50

Effects Very T column,

6.2 Diameter 100 xm um 250 um 320 530um T 1.20 m
TABLE Inside 6 O 0 T T GC—10

Fast
T
6.6.
5000- 4000+ 1000- Fig.
92