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Term Definition Article Siehe auch
acute toxicity:
Wikipedia: acute toxicity
Toxicity of a one-time dose of a chemical or a short exposure time. chronic toxicity
Wikipedia: adaptation
The ability of organisms to adapt to different environmental conditions. Metabolic adaptation can boost an otherwise low ability to degrade organic substances.
adsorption chromatography:
Wikipedia: adsorption chromatography
physicochemical description of chromatographic techniques based on adsorption processes. distribution chromatography
affinity chromatography:
Wikipedia: affinity chromatography
Chromatographic separation based on structure-activity relationships (e.g. protein isolation using a stationary phase with a covalently bound inhibitor).
aquatic toxicity: Toxicity to aquatic organisms (usually given as LC50 for fish, water flea and algae) LC50, EC50
atmospheric half life:
Wikipedia: atmospheric half life
The time it takes for the concentration of a substance to be halved by reactions with oxidants in the atmosphere. (Standardized here for a OH radical concentration of 1.5 * 10^6 radicals/cm3 and a reaction time of 12h/day).
atom economy:
Wikipedia: atom economy
Atom economy is based on the stoichiometric equation and equals the theoretically achievable yield for complete reaction of the educt without the formation of by-products. It is dependent on the reaction type. (B. M. Trost, Angew. Chem. Int. Ed. Engl. 1995, 34, 259-281) , yield
autoignition temperature:
Wikipedia: autoignition temperature
The temperature at which substance vapors may spontaneously ignite. flash point
auxiliary materials: Collective term for chemical substances that are used in a chemical reaction besides educts and reagents.
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pages/glossary.php: November 09, 2022