Varian 450-GC, User Manual

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Table Table of of Contents Contents
Varian, Varian, Inc. Inc. User User Manual Manual 450-GC 450-GC Page: Page: XXIII XXIII
D D
ISPOSAL ISPOSAL
II
NSTRUCTIONS NSTRUCTIONS
.... ......................................................................................................... .....................................................................................................439 439
REPLACEMENT PARTS.... REPLACEMENT PARTS.......................................................................................................... ......................................................................................................441 441
Injector Liners/Inserts .... Injector Liners/Inserts ....................................................................................................... ...................................................................................................443 443
Liner/Inse Liner/Insert Descriptions rt Descriptions.... ................................................................................................... ...............................................................................................445 445
TECHNICAL TIPS.... TECHNICAL TIPS..................................................................................................................... .................................................................................................................457 457
C C
HROMATOGRAPHIC HROMATOGRAPHIC
II
NTERPRETATIONS NTERPRETATIONS
.... ................................................................................... ...............................................................................458 458
T T
O O
B B
LEED OR NOT TO LEED OR NOT TO
B B
LEED LEED
… …
THAT IS THE THAT IS THE
Q Q
UESTION UESTION
.... ............................................................ ........................................................461 461
The baseline below 250 °C.... The baseline below 250 °C............................................................................................... ...........................................................................................461 461
Injector Injector contamina contamination.... tion....................................................................................................... ...................................................................................................462 462
The Col The Column umn .... ...................................................................................................................... ..................................................................................................................463 463
Gas Impurities.... Gas Impurities................................................................................................................... ...............................................................................................................465 465
C C
HOOSING THE RIGHT HOOSING THE RIGHT
GC GC II
NJECTION NJECTION
T T
ECHNIQUE ECHNIQUE
.... ..................................................................... .................................................................466 466
Direct Direct Injection Injection .... .................................................................................................................. ..............................................................................................................467 467
Desc Descripti ription on .... ............................................................................................................... ...........................................................................................................467 467
Split Injection .... Split Injection .................................................................................................................... ................................................................................................................467 467
Desc Descripti ription on .... ............................................................................................................... ...........................................................................................................467 467
Splitless In Splitless Injection jection.... .............................................................................................................. ..........................................................................................................468 468
Desc Descripti ription on .... ............................................................................................................... ...........................................................................................................468 468
Cool on-column.... Cool on-column................................................................................................................. .............................................................................................................470 470
Desc Descripti ription on .... ............................................................................................................... ...........................................................................................................470 470
Programmed Temperature Vaporizer (PTV) .... Programmed Temperature Vaporizer (PTV) .... ................................................................ ................................................................470 470
Desc Descripti ription on .... ............................................................................................................... ...........................................................................................................470 470
Cold Split Injection.... Cold Split Injection........................................................................................................ ....................................................................................................471 471
Cold Sp Cold Splitless Injecti litless Injection on .... ................................................................................................. .............................................................................................471 471
Solvent Solvent Venting Venting .... ............................................................................................................ ........................................................................................................471 471
GC GC L L
INER INER
L L
ABYRINTH ABYRINTH
-- H H
OW TO CHOOSE THE RIGHT OW TO CHOOSE THE RIGHT
II
NJECTOR INSERT NJECTOR INSERT
.... ...................................... ..................................472 472
Liner Liner Types Types .... ....................................................................................................................... ...................................................................................................................472 472
Line Liner volume r volume .... ..................................................................................................................... .................................................................................................................473 473
Injector heat capacity.... Injector heat capacity........................................................................................................ ....................................................................................................473 473
Discrimination effects.... Discrimination effects........................................................................................................ ....................................................................................................474 474
Liners for splitless injectio Liners for splitless injections ns.... ............................................................................................. .........................................................................................475 475
Strai Straight line ght linerr .... ................................................................................................................. .............................................................................................................475 475
Goo Goosene seneck ck .... ................................................................................................................... ...............................................................................................................475 475
Goosene Gooseneck with ck with wool wool .... ................................................................................................... ...............................................................................................475 475
Double Goosene Double Gooseneck ck.... ....................................................................................................... ...................................................................................................475 475
Recessed Recessed Gooseneck Gooseneck .... .................................................................................................. ..............................................................................................476 476
Liners for split Liners for split injections .... injections ................................................................................................... ...............................................................................................476 476
Frit Split Frit Splitter ter .... .................................................................................................................... ................................................................................................................476 476
Inverted -or Lamina Inverted -or Laminar Cup Splitter r Cup Splitter .... ................................................................................. .............................................................................476 476
Baffle Baffle Splitter Splitter .... ................................................................................................................ ............................................................................................................476 476
Liners for direct injection Liners for direct injections s.... ................................................................................................. .............................................................................................477 477
Straight Straight tube tube .... ................................................................................................................. .............................................................................................................477 477
Goo Goosene seneck ck .... ................................................................................................................... ...............................................................................................................477 477
APPENDIX APPENDIX A: A: ERROR ERROR CODES CODES .... .............................................................................................. ..........................................................................................479 479
APPENDIX APPENDIX B: B: PUBLIC PUBLIC STATEMENT.... STATEMENT..................................................................................... .................................................................................491 491