Method Parameter Summary - Agilent Technologies 7697A Operation Manual

Headspace sampler
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6
Methods

Method Parameter Summary

Table 5
Common method parameters
Parameter
[Temp] key
Oven
Loop/Valve
Transfer line
[Time] key
GC cycle time
Vial equib time
Pres equib time
Inject time
[Vial] key
Fill mode
Fill pressure
Fill flow
Fill volume, mL
Loop fill mode
Loop ramp fill rate
Loop final pressure
Loop equilibration
Vent after extraction
52
This section lists method parameters, along with a brief
description of each one. For more detailed information, see
the
Advanced Operation
Enabled in modes
Fill modes: Flow to pressure
and Fill to pressure
Fill mode: Flow to pressure
Fill mode: Constant volume
Loop fill mode: Advanced
Loop fill mode: Advanced
Loop fill mode: Advanced
Guide.
Description
Oven temperature for vial equilibration.
Temperature of the sample loop and valve.
Temperature of the transfer line (isothermal).
Time for the GC to become ready after an injection.
Time for the vial to equilibrate in the oven.
Time to allow for the pressure in the vial to stabilize
after initial vial pressurization.
Amount of time to sweep the sample loop vapors into
the GC inlet.
Select how to pressurize the vial.
Target sample vial final pressure.
Flow rate used to pressurize the vial.
Specific volume of gas with which to pressurize the
vial.
Select how the HS will fill the sample loop with gas
after pressurizing and puncturing the sample vial.
How quickly to fill the sample loop.
Final target pressure for the filled sample loop.
Time set for the sample loop to stabilize after
pressurization.
After the last extraction, and while the sample transfers
to the GC, vent residual vial pressure to atmosphere.
(Other venting is provided during concentrating
extractions under the [Adv Function] key.)
Operation

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