Agilent Technologies 6890 Series - Default Chapter; Table of Contents

Contents
i
Chapter 1. Site Preparation
Temperature and humidity ranges ...........................................................................................3
Ventilation requirements ...........................................................................................................3
Venting oven exhaust ..........................................................................................................4
Venting toxic or noxious gases ..........................................................................................4
Benchtop space requirements ..................................................................................................4
Electrical requirements .............................................................................................................8
Grounding .............................................................................................................................8
Line voltage...........................................................................................................................8
USA fast heating oven .......................................................................................................10
Canadian installation.........................................................................................................11
Configuring the GC for an MSD .......................................................................................11
Gas requirements......................................................................................................................11
Gases for packed columns................................................................................................11
Gases for capillary columns .............................................................................................12
Gas purity............................................................................................................................13
The gas plumbing......................................................................................................................14
Supply tubing for carrier and detector gases .................................................................16
Two-stage pressure regulators.........................................................................................16
Pressure regulator-gas supply tubing connections........................................................17
Traps....................................................................................................................................17
Cryogenic cooling requirements.............................................................................................18
Choosing a coolant ............................................................................................................19
Using carbon dioxide.........................................................................................................19
Using liquid nitrogen .........................................................................................................21
Supplying valve actuator air....................................................................................................22