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preface to fifteenth edition

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TABLE 11.13<br />

McReynolds’ Constants for Stationary Phases in Gas Chroma<strong>to</strong>graphy (Continued)<br />

Stationary phase<br />

Chemical type<br />

Similar stationary<br />

phases<br />

Min<br />

Temp., C<br />

Max<br />

McReynolds’ constants<br />

x’ y’ z’ u’ s’ <br />

USP<br />

code<br />

Boiling-point separation of broad molecular weight range of compounds; nonpolar phases (continued)<br />

OV-7<br />

SPB-20<br />

Di-(2-ethylhexyl)-<br />

sebacate<br />

DC 550<br />

20% Phenyl methyl<br />

polysiloxane<br />

20% Phenyl methyl<br />

polysiloxane<br />

25% Phenyl methyl<br />

polysiloxane<br />

DC 550 0 350 69 113 111 171 128 592<br />

SPB-35, SPB-1701,<br />

DB-1301<br />

20 300 67 116 117 174 131 605<br />

20 125 72 168 108 180 125 653 G 11<br />

Unsaturated hydrocarbons and other compounds of intermediate polarity<br />

20 225 81 124 124 189 145 663 G 28<br />

Diisodecyl<br />

phthalate<br />

OV-11<br />

OV-1701<br />

35% Phenyl methyl<br />

polysiloxane<br />

SPB-1701, SA-1701,<br />

DB-1701<br />

20 150 84 173 137 218 155 767 G 24<br />

0 350 102 142 145 219 178 786<br />

0 250 67 170 152 228 171 789<br />

Poly-I 110 275 115 194 122 204 202 837 G 37<br />

SP-2250<br />

Dexsil 410<br />

Vinyl methyl polysiloxane<br />

Poly(phenylmethylsiloxane);<br />

50% phenyl<br />

Carborane—methylcyano<br />

ethyl silicone<br />

OV-17, DB-17 0 375 119 158 162 243 202 884 G 3<br />

50 400 72 286 174 249 171 952<br />

UCON LB-550-X Polyalkylene glycol 20 200 118 271 158 243 206 996<br />

UCON LB-1880-X Polyalkylene glycol 200 123 275 161 249 212 1020 G 18<br />

Poly-A 103 275 115 331 144 263 214 1072 G 10<br />

11.22

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