butanone वाक्य
उदाहरण वाक्य
मोबाइल
- Biomarkers also cover the use of molecular indicators of environmental exposure in epidemiologic studies such as human papilloma virus or certain markers of tobacco exposure such as 4-( methylnitrosamino )-1-( 3-pyridyl )-1-butanone ( NNK ).
- An important product of the Fischer-Fink synthesis was ethyl 4, 5-dimethylpyrrole-2-carboxylate, made from ethyl 2-oximinoacetoacetate and 2-methyl-3-oxobutanal, in turn made by the Claisen condensation of 2-butanone with ethyl formate.
- It is produced by base-catalyzed aldol condensation of 2-butanone with acetaldehyde, forming 4-hydroxy-3-methyl-2-pentanone, which is 3-methyl-3-penten-2-one over an acid catalyst, followed by hydrogenation over a palladium catalyst.
- An experiment by Turin filmed by the 1995 BBC Horizon documentary " A Code in the Nose " consisted of mixing the mint isomer with butanone, on the theory that the shape of the G-protein-coupled receptor prevented the carbonyl group in the mint isomer from being detected by the " biological spectroscope ".
- Facility records indicate that the following materials were stored in tanks : methanol, ethanol, xylene, propylene glycol, 2-ethoxyethyl acetate, isopropyl acetate, isophorone, ethyl acetate, butanol, kerosene, tolusol, hexane, ispropanol, 2-butanone, 2-butoxy ethanol, toluene, acetone, and unleaded gasoline.
- In contrast to sodium chloride and potassium chloride, caesium chloride readily dissolves in concentrated hydrochloric acid . sulfur dioxide ( 2.95 g / L at 25 �C ), ammonia ( 3.8 g / L at 0 �C ), acetone ( 0.004 % at 18 ?! ), acetonitrile ( 0.083 g / L at 18 ?! ), ethylacetates and other complex ethers, butanone, acetophenone, pyridine and chlorobenzene.
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