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a round-bottomed flask is used for many reactions. some can be connected to other items, as the frosting on the neck shows. with cork rings they can be placed on a table.
аз.
Last Update: 2011-10-23
Usage Frequency: 1
Quality:
a rotary evaporator consists of a round flask in a bath of hot water, and is designed to evaporate solvents. the flask is rotated and the solvent collects under a vacuum onto a condenser and drips into a condensate collecting flask. in this way solutions can be concentrated or purified. by attaching a vacuum pump, the air pressure and therefore the boiling point of the fluid can be decreased.
аз аз аз.
Last Update: 2011-10-23
Usage Frequency: 1
Quality:
