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The sublimation that occurs at the solid-gas boundary (critical sublimation point) (corresponding to boiling in vaporization) may be called rapid sublimation, and the substance sublimes rapidly. The words "gradual" and "rapid" have acquired special meanings in this context and no longer describe the rate of sublimation.
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 .
Spirit of wine (concentrated ethanol; called aqua vitae or spiritus vini) ๐ (), S.V. or ๐ Amalgam (alloys of a metal and mercury) ๐ = aอaอa, ศงศงศง (among other abbreviations). Cinnabar (mercury sulfide) ๐ Vinegar (distilled) ๐ (in Newton) Vitriol (sulfates) ๐ [5] Black sulphur (residue from sublimation of sulfur) ๐ [7]
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.
The Glass Fire burning in Napa and Sonoma counties has destroyed hundreds of buildings and forced thousands to evacuate. Here's a look at some of the devastation from the explosive blaze:
A new fire burning over 2,500 acres near Napa County, California, forced authorities to place more than 7,000 people under evacuation notices on September 27.The Napa County Sheriff’s Office ...
The Glass Fire was a wildfire in Northern California, that started on September 27, 2020, at 3:48 AM from an undetermined cause and was active for 23 days. [2] It was part of the 2020 California Wildfires and the 2020 Western United States wildfire season .
The largest fire truck returned to the engine house by 4:00 p.m., but the other truck with Chief Landerfelt and several other fire men stayed until about 7:00 p.m. Embers fell around town for some ...