Table 1 PEEK annealing procedure.

From: A miniaturized spectrometer for NMR relaxometry under extreme conditions

Start temp (°C)

End temp (°C)

Ramp rate (°C/min)

Duration (hrs)

20

150

0.1

21.7

150

150

0

3

150

200

0.1

8.3

200

200

0

3

200

20

−0.1

30