Gas Chromatography (GC) (IUPAC Compendium of Chemical Terminology):
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Film thickness, μm<br />
Lecture 3. <strong>Gas</strong> chromathography.<br />
PLOT (porous-layer open tubular) columns.<br />
Column wall<br />
Stationary<br />
solid-phase<br />
particles<br />
In this type <strong>of</strong> columns the porous layer is the stationary phase. The surface area is<br />
higher, and larger samples can be handled. the performance <strong>of</strong> PLOT columns is<br />
between wall-coated and packed columns.<br />
Internal diameter, μm<br />
100 200 320 530<br />
1<br />
10<br />
Narrowbore<br />
FSWCOT<br />
Ultra-high resolution<br />
{ Small sample capacity<br />
0.3<br />
Capacity, ng<br />
100<br />
Conventional<br />
FSWCOT<br />
1.0<br />
1000<br />
Low resolution<br />
High sample capacity}<br />
Wide-bore<br />
FSWCOT<br />
2.5<br />
10000 5000 3000 1500<br />
Efficiency, N/m<br />
5
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