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10
Ordering Information, Components and Consumables
10.2 Mobile heat extractor - application
Specimen freezing with the freezing shelf can be accelerated by the additional use of a heat extractor.
1. Store the heat extractor in the cryochamber.
2. Hold it on the specimen surface to accelerate freezing.
3. Take it away once the specimen is entirely frozen.
Note
Recommendation:
It is recommended to precool the heat extractor in liquid nitrogen or other refrigerant.
Warning
Caution! There is a risk of injury due to freezer burn!
10.3 Cold extraction - using the Thermal block
The thermal block
disc.
Note
The thermal block is not stored in the cryostat chamber; rather, it is stored outside at room
temperature.
1. Place the cap
specimen disc is visible.
2. Fit the pin
(→ "Fig. 110-3")
3. After about 20 seconds, the frozen specimen can be removed from the specimen disc with
forceps (→ "Fig. 110-7").
4. If the cap is too loose, readjust it using the screw (→ "Fig. 110-6").
Note
Do not overtighten the screw.
94
(→ "Fig. 110-4")
facilitates the removal of the frozen specimen from the specimen
(→ "Fig. 110-5")
on the required side so that the appropriate location hole for the
(→ "Fig. 110-2")
of the specimen disc
on the thermal block.
(→ "Fig. 110-1")
into the corresponding hole
Version 2.0, Revision K
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