Glass tube
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Glass tubes are mainly cylindrical hollow-wares. Their special shape combined with the huge variety of glass types, allows the use of glass tubing in many applications. For example, laboratory glasswa
Danner drawing-muffle in the VEB glass factory Weißwasser
Air-free technique
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Air-free techniques refer to a range of manipulations in the chemistry laboratory for the handling of compounds that are air-sensitive. These techniques prevent the compounds from reacting with compon
An ordinary glovebox, showing the two gloves for manipulation, with airlock on the right.
A Schlenk line with four ports.
A cannula is used to transfer THF from the flask on the right to the flask on the left.
After being refluxed with sodium and benzophenone to remove oxygen and water, toluene is distilled under inert gas into a receiving flask.