Chemical impurity - Wikipedia
WEBIn 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.
Impurities Definition & Meaning - Merriam-Webster
WEBnoun. im· pu· ri· ty (ˌ)im-ˈpyu̇r-ə-tē. plural impurities. Synonyms of impurity. 1. : something that is impure or makes something else impure. removing impurities from water. 2. : the …
IMPURITY | English meaning - Cambridge Dictionary
WEBthe fact that a substance is dirty or lower in quality because it is mixed with another substance, or something that causes this: Impurities are removed from the blood by the …
IMPURITIES Synonyms: 31 Similar and Opposite Words - Merriam-Webster
WEBDefinition of impurities. plural of impurity. as in contaminants. something that is or that makes impure impurities in the water made it cloudy. Synonyms & Similar Words. Relevance. contaminants. pollutants. contaminations. defects. sludges. irregularities. adulterants. defilements. soil. stains. dirt. faults. abnormalities. spots. blots. muck.
IMPURITY definition and meaning | Collins English Dictionary
WEB2 days ago · 1. countable noun [usually plural] Impurities are substances that are present in small quantities in another substance and make it dirty or of an unacceptable quality. The air in the factory is filtered to remove impurities. Synonyms: dirt, pollutant, scum, grime More Synonyms of impurity. 2. uncountable noun.
IMPURITY Definition & Meaning | Dictionary.com
WEBnounplural -ties. the quality of being impure. an impure thing, constituent, or element: impurities in the water. electronics a small quantity of an element added to a pure …
separation and purification - Encyclopedia Britannica
WEBSeparation 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. Since ancient times, people have used methods of separating and purifying chemical.
IMPURITIES definition and meaning | Collins English Dictionary
WEB6 days ago · noun. ( Extractive engineering: General, Operations) Impurities are substances which make something less pure . Sour gas is gas which is …
Chemical Impurities: An Epistemological Riddle with Serious Side ...
WEBFeb 6, 2020 · 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.
Impurities in Drug Substances and Products - US Pharmacopeia (USP)
WEBImpurities in Drug Substances and Products. Detecting and controlling for impurities in medicines. Home. Impurities pose risks to manufacturers, regulators and public health. USP can help. When it comes to the manufacturing of medicines, impurities can pose very serious risks. Contaminants discovered in manufacturing can delay product approvals.
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