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Bromoethane, also known as ethyl bromide, is a chemical compound of the haloalkanes group. It is abbreviated by chemists as EtBr (which is also used as an abbreviation for ethidium bromide ). This volatile compound has an ether-like odor.
For temperature variation the thermal mass of the reactor as well as peripherals such as fluid baths needs to be considered. More often than not, the analysis time needs to be considered. Segmented flow is an approach that improves upon the speed in which screening, optimization, and libraries can be conducted in flow chemistry.
A DuPont R-134a refrigerant. A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again.
The latter reaction is also viable laboratory synthesis. One laboratory technique for substitutive bromination treats propanol with a mixture of hydrobromic and sulfuric acids: CH 3 CH 2 CH 2 OH + HBr → CH 3 CH 2 CH 2 Br + H 2 O. Alternate synthetic routes include treating propanol with phosphorus tribromide [4] or via a Hunsdiecker reaction ...
The choice of working fluids is known to have a significant impact on the thermodynamic as well as economic performance of the cycle. A suitable fluid must exhibit favorable physical, chemical, environmental, safety and economic properties such as low specific volume (high density), viscosity, toxicity, flammability, ozone depletion potential (ODP), global warming potential (GWP) and cost, as ...
Methanation is an important step in the creation of synthetic or substitute natural gas (SNG). [7] Coal or wood undergo gasification which creates a producer gas that must undergo methanation in order to produce a usable gas that just needs to undergo a final purification step.
For fluid power, a working fluid is a gas or liquid that primarily transfers force, motion, or mechanical energy. In hydraulics , water or hydraulic fluid transfers force between hydraulic components such as hydraulic pumps , hydraulic cylinders , and hydraulic motors that are assembled into hydraulic machinery , hydraulic drive systems , etc.
As the fluid is expanded into the separator, heat must be provided to prevent excessive cooling. For small scale extractions, such as for analytical purposes, it is usually sufficient to pre-heat the fluid in a length of tubing inside the oven containing the extraction cell. The restrictor can be electrically heated, or even heated with a ...