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Cold finger used in sublimation.The raw product (6) is in the bottom of the outer tube (4) which is heated (7) while under vacuum (through side-arm 3). The sublimated material collects (5) on the cold finger proper, cooled by a coolant (blue) circulated through ports 1 and 2.
A sublimatory [1] [2] or sublimation apparatus is equipment, commonly laboratory glassware, for purification of compounds by selective sublimation. In principle, the operation resembles purification by distillation , except that the products do not pass through a liquid phase .
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In thermodynamics, the enthalpy of sublimation, or heat of sublimation, is the heat required to sublimate (change from solid to gas) one mole of a substance at a given combination of temperature and pressure, usually standard temperature and pressure (STP). It is equal to the cohesive energy of the solid.
The term was later also applied to the indirect sublimation transfer printing process, which uses a standard ink-jet printer to deposit sublimation-capable ink onto a transfer sheet. The printed transfer sheet is then pressed with the substrate with heat, transferring the dye to the substrate, such as plastic or fabric, via sublimation.
If you're feeling uneasy about the future of Social Security right now, you're not alone. A whopping 87% of U.S. adults say they're concerned about the program, according to a 2024 poll from ...
Aladdin is a brand notable for its line of character lunchboxes including Hopalong Cassidy, Superman, Mickey Mouse and The Jetsons.Today, Aladdin continues to be a food and beverage products brand and is owned by Pacific Market International, LLC of Seattle, Washington and Aladdin continues to be a kerosene lamps and wicks products brand and is owned by Hattersley Aladdin Ltd of the United ...
The doughnut collection is available in a limited-edition custom Grinch dozen box, according to the doughnut chain. Customers can also get a limited time Krispy Kreme dozen or 6-pack featuring the ...