Capacity:100ml 250ml 500ml 1000ml
Joint:19/26 24/29 29/32
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500ml 1000ml Joint #24 #29 Borosilicate Glass Pressure Equalizing Drop Funnel Column
A condensing tube is a laboratory device used to promote condensation. It usually consists of two glass tubes, one inside and one outside, with the smaller glass tube running through the larger glass tube. It is a glass instrument that uses a heat exchange principle to cool and condense a condensable gas into a liquid. There are three kinds of straight, spherical and serpentine.
The specifications are expressed in length (mm) and there are 150~350 kinds. The inner tube of the condensing tube has a mouth at both ends, which can be connected to other equipment of the experimental device to allow the hotter gas or liquid to flow through the inner tube to condense. The outer tube usually has an upper opening on both sides to connect the plastic tube carrying the cooling substance (such as water). When in use, the lower opening of the outer tube is usually connected to the faucet, because the water will automatically flow upward in the condensation tube to achieve a greater cooling effect.Scope of use: The temperature of the steam is greater than 140 degrees Celsius, using an air condensing tube, the temperature is less than 140 degrees Celsius, using a straight condenser.3The condenser is usually used on a flask to be tested under reflux conditions or on a distillation flask to collect the condensed liquid.
Condensation of the vapor occurs on the inner wall of the inner tube. The space enclosed by the inner and outer tubes is such that the water area absorbs heat from the vapor and removes the heat. The water inlet usually has a high water pressure.
In order to prevent the water pipe from falling off, the plastic tube should be tied with a tube bundle. When used in a reflux state,the lower end of the condenser tube is inserted with a rubber stopper so as to be inserted into the mouth of the flask to receive the vapor evaporated upward in the flask.
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