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Figure 1
(a) Illustration of the sample holder mounted in contact with the temperature control assembly. The capillary is mounted perpendicular to the X-ray beam. (b) Expanded view of the temperature control assembly. A copper plate with dedicated holes for heat cartridges and a thermocouple is mounted on a copper water block with two Peltier elements. The assembly is clamped together by four nylon screws and thermal paste is applied between each part. (c) In blue is shown a 3D-printed chamber which is mainly used for blast protection. In red is the cross section of the chamber used to flow nitrogen to avoid frost formation at temperatures below freezing. Kapton or Mylar tape is used as windows where the X-rays pass through; they also force the gas to escape from the bottom.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 54| Part 1| February 2021| Pages 371-375
https://doi.org/10.1107/S1600576720014776
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