Operation
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7 Operation
Before using the flow unit, familiarize yourself with all the safety measures in General
Workplace Dangers [}12].
Before inserting and using the glass flow tube:
• Ensure there is no sample in the magnet.
• Ensure the NMR probe is at the desired temperature before inserting the glass flow tube.
• Inspect the flow unit looking for condensation, especially around the glass flow tube, tube
holder and holder body. Wipe any observed condensation.
7.1 Inserting and Using the Flow Unit
• Carefully insert the flow unit assembly into the magnet and push it completely down. To
ensure proper insertion, lift it 1 cm upwards and push it back down. You should feel a solid
resistance.
Figure7.1: Inserting the Flow Unit Assembly into the Magnet
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