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Bookmark or Share- separation and purification - Encyclopedia Britannicaseparation and purification, in chemistry, separation of a substance into its components and the removal of impurities. There are a large number of important applications in fields such as medicine and manufacturing.
- Chemical Impurities: An Epistemological Riddle with Serious Side ...Such “impurities” occur in small amounts and, within chemistry itself, are of little concern. In pharmacy, in contrast, impurities increase the potential for toxicity, side effects, and serious implications for human health and the environment.
- IMPURITY definition and meaning | Collins English DictionaryImpurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality.
- IMPURITIES definition and meaning | Collins English Dictionarynoun. ( Extractive engineering: General, Operations) Impurities are substances which make something less pure . Sour gas is gas which is contaminated with chemical impurities, often CO₂ or H₂S. Natural gas may contain undesirable impurities such as carbon dioxide, nitrogen, water vapor, or hydrogen sulfide.
- Chemical Impurity - WikipediaIn chemistry and materials science, impurities are chemical substances inside a confined amount of liquid, gas, or solid. They differ from the chemical composition of the material or compound. [1] Firstly, a pure chemical should appear in at least one chemical phase and can also be characterized by its phase diagram.
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