Page 78 - Basic Gas Chromatography

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Phases Stationary of Classification GLC for Phases 65 whose determined. | 900 Caap “pis 1 F VZ) sanen spjousayoy 300; arrange- ‘ses te Jot Tg tt gg 200 the of 10 5 35 30 25 20 615 50 45+ 40 down (%) content Phenyl one Any 4.4. Fig. of number of Effect stationary on groups phenyl tricresyl- measured as polarity phase by Reprinted values.

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Stationary phase are interaction provide a this reasoned five probes ten of Rohrschneider— for 13 The average goes one short. example, indicating OV-202 polymers Common Temp. Lower 20 20 100 20 50 20 20 0 0 20 60 20 20
Stationary values they about He original the that values polarity? of the as falls For hydrogen Consider these two Some Pyrid 0 25 42 43 126 202 299 305 310 386 510 791
the A/ intermolecular details [7]. further. of out compilations the AJ specifying value increases system n-butanol, forming System? that Limits for 0 849
on five together More Rose some turned gives polarity the interaction. for by N-Pr 12 65 67 154 243 374 463 468 492 $72 833 1106
and a set of of and and step that has Most 4.4 in use increasing the where value indicating Temperature Probes* Ket 0 3 44 45 117 162 250 355 358 338 368 581 763
squalane and extent phase, phase. Supina one went and five It many. Table of any to that is strong high probably McReynolds values and Alc 0 10 55 57 83 158 321 233 238 369 536 733 872
on the stationary by [8] than homologs. too 5. only according shows That particularly alcohols, the Constants 0
run determined, stationary paper are list numbers much? unusually for identical Benz 21 16 17 41 119 176 144 146 228 322 492 629
are be measure the of the the McReynolds better be higher values values is 4.4 clearly how an with uses have McReynolds Trademark
probes is to to and polarity found in would by index McReynolds Table and But indicate a has strongly there any They Phases Phase OV-210® 20M® Benzene n-Butanol 2-Pentanone Nitropropane Pyridine

five polarity serves probe the be 1970 replaced ten McReynolds phases. Are in numbers table. can phosphate Are 4.4 87¢ 300® Tricresylphosphate and Benz = = = = = Registered

64 All Each the of can In probes be hence ary ment five the value interacts OV-210. TABLE Stationary Stationary Squalane Apolane OV-1® OV-101® Dexsil OV-17® QOF-1 OV-202® OV-225® Carbowax DEGS OV-275® * Alc Ket N-Pr Pyrid = ®