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Ethanol (also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound with the chemical formula CH 3 CH 2 OH. It is an alcohol , with its formula also written as C 2 H 5 OH , C 2 H 6 O or EtOH, where Et stands for ethyl .
A wash bottle is a squeeze bottle with a nozzle, used to rinse various pieces of laboratory glassware, such as test tubes and round bottom flasks. Wash bottles are sealed with a screw-top lid. When hand pressure is applied to the bottle, the liquid inside becomes pressurized and is forced out of the nozzle into a narrow stream of liquid.
There are so many household items that can work overtime in your house, and you may not even realize it. Toothpaste and lemon? They can help you clean.
A water bottle is a container that is used to hold liquids, mainly water, for the purpose of transporting a drink while travelling or while otherwise away from a supply of potable water. Water bottles are usually made of plastic , glass , metal, or some combination of those substances.
Ethanol, often in high concentrations, is used to dissolve many water-insoluble medications and related compounds. Liquid preparations of pain medications , cough and cold medicines , and mouth washes, for example, may contain up to 25% ethanol [ 17 ] and may need to be avoided in individuals with adverse reactions to ethanol such as alcohol ...
Solvent concentrations of 25–60% are common, but may run as high as 90%. [1] In chemistry, a tincture is a solution that has ethanol as its solvent. In herbal medicine, alcoholic tinctures are made with various ethanol concentrations, which should be at least 20% alcohol for preservation purposes. [1] [2]
There is no deposit for glass bottles which do not get refilled, but there are many glass bottles that do get refilled – best known is the Normbrunnenflasche, a 0.7l bottle used for carbonated drinks with a deposit of €0.15. It was introduced after a 1969 decision by the German mineral water industry, and more than five billion bottles have ...
It was used as an antiseptic, eyeliner, and cosmetic. Later the meaning of alcohol was extended to distilled substances in general, and then narrowed again to ethanol, when "spirits" was a synonym for hard liquor. [14] Paracelsus and Libavius both used the term alcohol to denote a fine powder, the latter speaking of an alcohol derived from ...