azeotrope

(redirected from azeotropic)
Also found in: Dictionary, Medical, Wikipedia.

azeotrope

[ā′zē·ə‚trōp]
(chemistry)
References in periodicals archive ?
k] do not show azeotropic convergence), with the moiety family analysis shown superimposed as insets.
The amount of water leaving the process via the re-run column and removing HF as an azeotropic mixture is equal to that entering the process from the dryers (A & B).
Du Pont's recently introduced Freon-502, an azeotropic mixture of its Freon-22 and Freon-115, is already in use in over 40 refrigeration systems--half for display cases, the others for FF and chemical processing.
First in the transesterification step, soybean oil, glycols, and tin catalyst were mixed together and heated up to 245[degrees]C and kept until monoglyceride conversion: in the second step, anhydrides and azeotropic solvent were added after the kettle had been cooled down to 180[degrees]C: afterwards, the reaction was heated up again to a temperature of 230[degrees]C, and kept until an acid number of 10 was obtained.
Before analysis sediments were freeze-dried and then soxhlet extracted into an azeotropic mixture of DCM and MeOH (93:7 v/v) for 48 h.
Extractive Distillation, This is a similar process to the azeotropic.
At shale oil distillation oil components of different nature have close boiling points, and as a result azeotropic mixtures are formed.
Water was extracted from the soil by azeotropic distillation before analysis (e.
The company uses CFC-free and HFC-free refrigerants with its special mixture of azeotropic gases, making maintenance easier and less expensive, while allowing recharging practices to remain the same and recycling on site.
In addition, when water is combined in an azeotropic mixture with certain solvents the evaporation can be accelerated.