28.12.2013 Views

preface to fifteenth edition

preface to fifteenth edition

preface to fifteenth edition

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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 />

Temp., C<br />

Min Max<br />

McReynolds’ constants<br />

x’ y’ z’ u’ s’ <br />

USP<br />

code<br />

Polar compounds<br />

FFAP 50 250 340 580 397 602 627 2546 G 35<br />

Hi-EFF-10BP<br />

Phenyldiethanolamine<br />

succinate<br />

20 230 386 555 472 674 656 2744 G 21<br />

Carbowax 1450 Formerly 1540 50 175 371 639 453 666 641 2770 G 14<br />

SP-2380 402 629 520 744 623 2918<br />

SP-2310 55% Cyanopropyl Silar 7 CP 25 275 440 637 605 840 670 3192<br />

SP-2330 68% Cyanopropyl SP-2331, SH-60 25 275 490 725 630 913 778 3536<br />

Silar 9 CP 90% Cyanopropyl phenyl 50 250 489 725 631 913 778 3536 G 8<br />

Hi-EFF-1BP<br />

Diethyleneglycol<br />

20 200 499 751 593 840 860 3543 G 4<br />

succinate<br />

SP-2340 75% Cyanopropyl phenyl OV-275, SH-80 25 275 520 757 659 942 800 3678<br />

Silar 10 CP<br />

100% Cyanopropyl<br />

SP-2340 25 275 523 757 659 942 801 3682 G 5<br />

silicone<br />

THEED Amino alcohol 0 125 463 942 626 801 893 3725<br />

OV-275 Dicyanoallylsilicone 25 250 629 872 763 110 849 4219<br />

Absolute index values on squalane for reference compounds: 653 590 627 652 699<br />

Note:<br />

USP code is the United States Pharmacopeia designation.<br />

11.25

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!