redistillation

redistillation

(ˌriːdɪstɪˈleɪʃən)
n
(Chemistry) chem further distillation; purification of liquid through many distillations
References in periodicals archive ?
Water was purified by redistillation and a Milli-Q[R] ultrapure water system (Millipore, Bedford, MA, USA).
All other chemicals were of analytical reagent grade, and all solutions were used after redistillation.
Gin has been produced in Scotland for centuries but was often sent to England for redistillation or to have exotic flavourings added.
(42) "No distilled spirits can be withdrawn or removed from any warehouse for the purpose of transportation, redistillation, rectification, change of package, exportation, or for any other purpose whatever, until the full tax on such spirits shall have been duly paid to the collector of the proper district." Orlando F.
Bismuth (III) nitrate pentahydrate with a purity of 98% (Acros, USA) and 99.99% pure iron (III) nitrate nonahydrate (Sigma Aldrich, Canada) were obtained in addition to 2-methoxyethanol as a solvent (Acros, NJ, USA), ethanolamine with a purity more than 99.5% purified by redistillation (Sigma Aldrich, Canada), and glacial acetic acid with a purity of 99.7% (Fisher Scientific, Canada).
There were no significant variations in the copper values and they did not exceed the limit of 5mg [L.sup.-1] (CARDOSO et al., 2003), which was due to the redistillation (values decreased from 6.5 to 0.4mg [L.sup.-1]).
The physical and chemical properties of OCs, such as their semivolatile nature, can result in repeated redistillation, which allows them to disperse widely via atmospheric transport (Barrie et al.
[sections] 261.6(a)(3)(i); see also TRAINING MODULE, supra note 21, at 14 (explaining that the Bureau of Alcohol, Tobacco and Firearms already regulates industrial ethyl alcohol from the point of regeneration to redistillation).
Initially, it was a harmful drink but the process of redistillation has removed the harmful characteristics.
The bottom of the distillate is then neutralized with dilute sulphuric acid, and the fatty acids separated before redistillation to make it suitable for industrial use.
Dow Chemical sought contribution under [sections] 9613(f) from the rubber companies as persons who "arranged for disposal or treatment" of a hazardous substance, because the rubber companies had sent the contaminated styrene back to Dow Chemical for redistillation. The rubber companies denied liability because they did not control the re-distillation process and the United States had retained official ownership of all the materials.
It was all "off-grade" beverage brandy but was available for redistillation into neutral grape spirits and would be used to fortify the '42 dessert wines.