Page 101 - Basic Gas Chromatography

87
DB-17 Reproduced
ID Chromatogra-
mm 0.25 x m M., 118. p. 1987, Wall Tube al Silica Fused Phase um column.
undecanoate

Decane Undecane 1-Octanol Dodecane 2,6-Dimethylphenol 1-Decanol 2,6-Dimethylanaline Naphthalene decanoate Methy! Methyl Conditions: 30 From Miller, J. Inc. York, New ‘.. Liquid 0.2-5 (WCOT)

. Inc.,
1 2. 3. 4. 5. 6. 7. 8. 9. 10. tubular
-. Mixture. Sons, LM open
Test Courtesy of J & W Scientific, &
I.D. carrier Wiley Inc. coated

film .25mm x injection H., 1cm/min. isothermal Standard of John Sons, Wall
Columns micron meters split 40cm/sec. 22 speed ? 110°C. Contrasts, & Wiley 100, 250, Lum 530 Fig. 6.2.

OT DB-17 0.25 30 ul 1 Atten: Chart 110°C | Chromatogram and John ID's 320,
of with 0.25 ym film at Concepts of
Types 6.1. Fig. phy: courtesy

until esti- columns. they phase called flow complex text peaks Golay the column glass, made

widely is it is, That liquid properly to of standard Marcel on silica, now

used not Today, capillary on tubes. of film are its resistance possible. separations a of symmetrical Dr. by coated phase tubular open fused of are columns

Columns 1959, in were but steadily popularity. in applications run are columns are that open Instead, thin a such earlier, columns tube the open, is meters 100 are efficient very chromatogram typical Notice sharp the compounds. patented and liquid of film wall-coated a tube made be can capillary 86

Capillary and Inlets columns introduced were which after grew they 80% over all of are columns simply with material. packing wall. discussed As (OT) columns.” Since and lengths, long to up lengths possible make 6.1 Figure a is 30-m silica fused OT. polar, and acidic, basic COLUMNS capillary column, invented of with tube

Capillary 1980, that Capillary not filled inside the tubular low, very These long mixtures. a on obtained for OF OT original consisted surface. WCOT, stainless silica. fused

6. about mated are coats “open is sample mixture TYPES The [1], inside or or of