Page 87 - Basic Gas Chromatography

columns columns. Later, manufacturer continued to only 80% over be will are also in- are outside applications including lined with easy for support materials

packed reports that each type have For used is soft solid a Many

on performed packed only one chromatographers literature early estimated that different requirements for each and steel feet. 10 been have that steel and conveniently reactivity. on coated inertness.

Columns was only accepted columns invented, were most so the of much Today, is it however, capillary columns. sufficiently are instrumental The respective systems inlet stainless of made lengths to 2 of materials alternative polymers (Teflon®), aluminum are to due their phase liquid is surface and area 73

Packed and Inlets chromatography gas in instruments commercial tubular capillary produced them, As a columns. result, separations. are on made columns of types chapter. separate a different, the so chapters. the of columns typically are 1/4 and inch 1/8 or inertness, fluorocarbon and Copper recommended not are SUPPORTS s

initial work first the open (Perkin-Elmer) packed column analyses two in somewhat each in Packed of diameters greater nickel, Teflon®. or but packed chosen is

5. All and when use packed all of The discussed cluded requiring glass, glass bending, SOLID For which

Phases Dekker, (1996). 233 Delu- and Hawkes, S., Hawkes, S., Sci. 15, Eon, and (1977).

Stationary Ed., Giddings, 738, A, Grunfeld, S., and W., G., and Chromatogr. L. R., 208 15, (1963).

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G., 6. Ojanpera, L., and O., W. J. 119. al., Sci. J. 50, Reinbold, and Y., Miller,
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Blomberg, 1987. NY, Rasanen, Rohrschneider, Supina, McReynolds, Hartkopf, R., myea, Hawkes, Chromatogr. Chromatographia, (1977). L. Snyder, Anal. Figgins, C. Zhang, J., Kenworthy,

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