high temperature NMR experiment

仪器资料 · 发表于 2018-6-11 17:23:34

high temperature NMR experiment
Justin Douglas ([email protected]) – KU NMR Labs v1 10/29/09
Special Note:
This guide is intended to supplement proper training and formal check out by the
NMR facility manager. Improper operation or decision-making when doing
variable temperature experiments can have disastrous consequences for the
instrument and other users.
How the NMR regulates the temperature:
Bruker uses a feedback loop to regulate the temperature. Figure 1 highlights key
components of this system. The temperature is measured by a thermocouple
sitting below the sample. The entire probe is heated using an electrical heater
located at the bottom of the probe. This heat is then transfer using air flow.

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