Page 79 - Basic Gas Chromatography

65 by the Concepts of have early from Most be inter- not not
measured from courtesy the supplies to verify percent- polymers is method, stationary empirical would have will of Hartkopf consulted.

—_ PA, (which The McReynolds
P2250 gg 45+ as polarity Bellefonte, Chromatography: Reproduced important exhausted used increasing silicone which the for good a the approaches. forces efforts phases works be can
3 50 in dipolar and

joo SPB-35 Tg 35 40 (%) phase Inc., M., J. 140. p. viscosity and was replace QF-1. has been containing five for SP-2250, for some utility selecting extend or refine theoretical intermolecular forces, dispersion These stationary the [13] Carr

GLC tt 30 25 content stationary Supelco of Miller, 1987, York, length comparison to made replaced values plot a (except show means for to of of bonding. information, and

for 3 SPB-20 20 Phenyl on groups permission From New chain of were OV-210 equivalency. McReynolds polymers shows columns attempted variety types phases: hydrogen selecting [12],
Phases te 615 phenyl with May 1985. Inc., in type polymers their five silicone 4.4 examples simple a have using a four stationary of process of further For Risby [11],

Stationary ‘ses Jot 10 5 of number Reprinted 3, No. IV, & Wiley Sons, differences This new example for proof of these of groups. Figure WCOT silica These still lacking separation. of workers by or three types two the here. Snyder

of | 900 800}- 700} 600/- 500F-SPB-1 400+ 300; 200 of values. Vol. John Sons, Inc. for except polarity). on when polymers; of sum polarity in fused data). are we given McReynolds that characterize one or on impact further [10],
Classification Caap “pis 1 F VZ) sanen spjousayoy 4.4. Fig. Effect McReynolds Reporter, Supelco and Contrasts, & Wiley John identical affect little GC of days of old provided values Also, the the increase phenyl of ages bonded on packed column clearly but a for phase Studies Other Various groups of data assumed have sufficient to and actions, much

Phases whose determined. between measure procedure ten that should and station- arrange- the of down one Any tricresyl- it that bonds. and are Limits Upper 125 260 375 375 450 375 125 250 275 300 225 200 275

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 849
on five together More Rose some turned gives polarity the interaction. for by N-Pr 0 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 better 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 be higher values values is 4.4 clearly how an with uses have McReynolds Trademark
probes is to to serves 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 Registered

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

64 All Each the of can In probes be hence ary ment five the value interacts Are 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 = ®