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An evaporating dish is a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, [a] and sometimes to their melting point. Evaporating dishes are used to evaporate excess solvents – most commonly water – to produce a concentrated solution or a solid precipitate of the dissolved substance.
This process is used industrially to make such food products as evaporated milk for milk chocolate and tomato paste for ketchup. Vacuum evaporation plant vacuum pans in a beet sugar factory. In the sugar industry vacuum evaporation is used in the crystallization of sucrose solutions. Traditionally this process was performed in batch mode, but ...
Vacuum cooling is a rapid cooling technique for any porous product that has free water and uses the principle of evaporative cooling.Vacuum cooling is generally used for cooling food products that have a high water content and large porosities, due to its efficacy in losing water from both within and outside the products.
Glass evaporating dishes, such as watch glasses, are primarily used as an evaporating surface (though they may be used to cover a beaker.) The Petri dish is a flat dish filled with a nutritious gelatin that allows for microorganisms to quickly grow, its named after its inventor Julius Petri in the 1880s.
Sous vide cooking using thermal immersion circulator machines. Sous vide (/ s uː ˈ v iː d /; French for 'under vacuum' [1]), also known as low-temperature, long-time (LTLT) cooking, [2] [3] [4] is a method of cooking invented by the French chef Georges Pralus in 1974, [5] [6] in which food is placed in a plastic pouch or a glass jar and cooked in a water bath for longer than usual cooking ...
Scooch over cheese throwing challenge, the 'Vacuum Challenge' is the new off-beat trend currently taking over social media feeds. But like many other bizarre viral challenges that have come before ...
Corning manufactures Vycor products for high-temperature applications, such as evaporating dishes. [citation needed] Porous vycor is a prototypical matrix material for the study of confined liquid physics. [citation needed] Vycor can also be used for removal of 231 Pa and 233 Pa in fuel recycling. [5]
Massive plumes of smoke from burning homes and buildings have dropped layers of potentially toxic ash around Los Angeles, spread farther by many days of heavy Santa Ana winds.