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Figure 3
(a) HVE injector mounted and prepared for the experiment. The water line is connected to the HPLC pump and is regulated to control the sample extrusion rate. The gas line is connected to a pressurized helium gas cylinder which is controlled for a stable extrusion path. The blue fitting can be optionally connected to the thermostat to maintain a stable sample temperature inside the reservoir. (b) Schematic representation of the HVE injector (adapted from the original design by Bruce Doak). The sample shown in green is pushed by a plunger with a PTFE ball at the end through the silica capillary. (c) Schematic representation of the end of the injector nozzle. The sample travels through the silica capillary (yellow) and is exposed to the X-rays at the exit. The gas stream travels through the injector down to the borosilicate capillary to stabilize the extrusion.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1095-1102
https://doi.org/10.1107/S1600577520008735
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