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Round-bottom flasks (also called round-bottomed flasks or RB flasks) are types of flasks having spherical bottoms used as laboratory glassware, mostly for chemical or biochemical work. [1] They are typically made of glass for chemical inertness ; and in modern days, they are usually made of heat-resistant borosilicate glass.
A Florence flask/boiling flask is a type of flask used as an item of laboratory glassware and is named after the city Florence. [1] It is used as a container to hold liquids. A Florence flask has a round body, a long neck, and often a flat botto
An effective water filtration system will weed out chemicals, pesticides, lead, bacteria and other unhealthy elements. You should at least entertain the idea of abandoning nonstick pans entirely.
Preferably this is done through a trap (see below), which is designed to prevent the sucking back of water from the aspirator into the Büchner flask. The purpose of applying a vacuum is to speed the filtration by providing a pressure differential across the filter medium that is greater than that produced by gravity alone.
Louis Pasteur's spontaneous generation experiment illustrates that liquid nutrients are spoiled by particles in the air rather than the air itself. These results of these experiments supported the germ theory of disease.
Straus flasks are distinct from "solvent pots", which are flasks that contain a solvent as well as drying agents. Solvent pots are not usually bombs, or even Schlenk flasks in the classic sense. The most common configuration of a solvent pot is a simple round bottom flask attached to a 180° adapter fitted with some form of valve.
Vacuum flasks are often used as insulated shipping containers. Extremely large or long vacuum flasks sometimes cannot fully support the inner flask from the neck alone, so additional support is provided by spacers between the interior and exterior shell. These spacers act as a thermal bridge and partially reduce the insulating properties of the ...
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