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Contents
Chapter 4. The Column Oven
Oven capabilities ...................................................................................................................... 84
Oven safety................................................................................................................................ 85
Configuring the oven................................................................................................................ 86
Procedure: Setting up an isothermal run ............................................................................ 87
Making a temperature-programmed run ............................................................................... 88
Oven temperature programming setpoints .................................................................... 89
Oven ramp rates.................................................................................................................90
Procedure: Setting up a single-ramp program .................................................................... 91
Procedure: Setting up a multiple-ramp program ................................................................ 92
Fast chromatography............................................................................................................... 93
Fast-heating oven...............................................................................................................93
Configuring the oven......................................................................................................... 93
Using the oven insert for fast chromatography.................................................................... 94
To install the oven insert .................................................................................................. 94
Removing the insert...........................................................................................................96
Cryogenic operation................................................................................................................. 97
Cryogenic control setpoints ............................................................................................. 97
Chapter 5. Columns and Traps
Part 1. Capillary columns ................................................................................. 100
Column hanger ....................................................................................................................... 100
Procedure: Preparing capillary columns ........................................................................... 101
Procedure: Installing capillary columns in the split/splitless inlet ................................ 103
Procedure: Installing capillary columns in the cool on-column inlet ............................ 105
Procedure: Installing capillary columns in the purged packed inlet ............................. 106
Procedure: Installing capillary columns in the PTV inlet and Volatiles Interface ....... 109
Procedure: Installing capillary columns in NPD and FID detectors .............................. 109
Procedure: Installing capillary columns in the TCD ........................................................ 113
Procedure: Installing capillary columns in the ECD and µ-ECD .................................... 114
Procedure: Installing capillary columns in the FPD ........................................................ 118
Ferrules for capillary columns ............................................................................................. 121
Graphite and graphitized-Vespel ferrules..................................................................... 121
Vespel ferrules..................................................................................................................121
Part 2. Packed metal columns .......................................................................... 122
Overview: installing packed metal columns ....................................................................... 122
Fittings..................................................................................................................................... 123