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Notice: Flow rates greater than 10 scfh can cause vibration that can affect data quality. We
recommend keeping the flow rate at approximately 10 scfh.
3.—Set the flowmeter to 10 scfh.
Aligning your spectrometer
Your instrument can be aligned automatically using OMNIC. To align your instrument, use the
Align button on the Diagnostic tab of the Experiment Setup dialog box (which is available
through the Collect menu in OMNIC). For more information, refer to the electronic software
help for OMNIC.
Cooling a detector
If you have an MCT detector, you must cool it with liquid nitrogen before you can collect data.
Time needed: 40 minutes or less
Tools needed: Protective clothing and eyewear
A small plastic laboratory funnel
A one-liter, metal vacuum bottle
Liquid nitrogen
Note: A detector dewar should maintain its insulating vacuum for several years. If the
vacuum leaks, the insulation will lose effectiveness.
Note: Your MCT detector, when cooled according to the following procedure, should remain
cool for approximately six hours.
Thermo Fisher Scientific
Using Your Nicolet iS10 Spectrometer
11
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