Degas Conditions
File > Open > [.DEG File]
(or click the Degas Conditions tab when using Advanced option presentation)
The Degas Conditions tab displays only if enabled in Options > Option Presentation > Show Degas Conditions. |
Field or Button | Description | ||
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Backfill [group box] |
Backfill sample tube. Indicate if the sample tube should be backfilled automatically or wait for operator response. |
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Degas Conditions [drop‑down box] | Use to browse for a .DEG file that contains degas condition parameters to be used in the analysis. | ||
Heating Phase [table] |
Enter up to five stages of degas conditions. Temperature. Temperature at which the sample is to be held while degassing. Time. How long the sample is to be held at the specified temperature before beginning to cool down. Temperature Ramp Rate. The rate at which the temperature will change while advancing to the hold temperature. |
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Evacuation [group box] |
Evacuation rate. Rate used for evacuation. Evacuation time. Length of time for preliminary evacuation before proceeding with the Heating Phase temperature schedule. The timer starts when the vacuum level is reached. Target temperature. Targeted temperature for evacuation. Temperature ramp rate. Rate at which the temperature is to change when advancing to the target pressure. Unrestricted evac. from. Pressure at which the unrestricted evacuation is to begin. Vacuum level.Evacuation time starts when the vacuum level is reached. |
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Evacuation and Heating [group box] | Hold pressure. Pressure at which heating will stop and hold the sample temperature approximately constant until the pressure falls below the Hold pressure. This prevents damage to the sample structure due to 'steaming' and /or elutriation due to excessive escaping gas velocity. | ||
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