Table Of Contents - Agilent Technologies G1289 Operating Manual

Contents
Chapter 1
Manual Overview ....................................................................................................... 2
Intended User ............................................................................................................ 3
Conventions ............................................................................................................... 3
Chapter 2
Overview of Headspace Analysis ............................................................................ 6
The 7694 Headspace Sampler .................................................................................. 7
Principles of Operation ........................................................................................... 13
Modes of Operation ................................................................................................. 19
About This Manual
Introduction to Headspace and to the
7694 Headspace Sampler
Oven (G1289/G1290) ......................................................................................... 7
Heated Zones (G1883) ...................................................................................... 8
Vial Tray (G1289/G1290) ................................................................................... 9
Vial Transport Arm (G1289/G1290) ................................................................. 9
Sampling System ............................................................................................. 10
Transfer Line .................................................................................................... 10
Keypad and Display ......................................................................................... 10
Pneumatics ....................................................................................................... 11
General Operation ........................................................................................... 13
Power on Diagnostics ..................................................................................... 14
Standby Condition ........................................................................................... 14
Vial Pressurization ........................................................................................... 15
Filling the Sample Loop .................................................................................. 16
Loop Equilibration ........................................................................................... 17
Injecting the Sample ........................................................................................ 17
End of Cycle and Vial Recovery .................................................................... 18
Standard Headspace Extraction .................................................................... 19
Multiple Headspace Extraction with Multiple Vial Puncture-
G1289/G1290 only ............................................................................................ 21
Multiple Vial Puncture with Constant Heating Time-G1289/G1290 only . 22
Multiple Headspace Extraction with Single Vial Puncture ........................ 23
Multiple Headspace Extraction for Analyte Concentration-
G1289/G1290 only ............................................................................................ 23
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