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phenyl

   Also found in: Dictionary/thesaurus, Medical, Financial, Acronyms, Wikipedia, Hutchinson 0.03 sec.
phenyl (fĕn`əl), C6H5, organic free radical free radical, in chemistry, a molecule or atom that contains an unpaired electron but is neither positively nor negatively charged. Free radicals are usually highly reactive and unstable.
..... Click the link for more information.  or alkyl group alkyl group (ăl`kĭl), in chemistry, group of carbon and hydrogen atoms derived from an alkane molecule by removing one hydrogen atom
..... Click the link for more information.  derived from benzene benzene (bĕn`zēn, bĕnzēn`), colorless, flammable, toxic liquid with a pleasant aromatic odor. It boils at 80.
..... Click the link for more information.  by removing one hydrogen atom.
phenyl
of, containing, or consisting of the monovalent group C6H5, derived from benzene
phenyl [′fen·əl]
(organic chemistry)
C6H5‒ A functional group consisting of a benzene ring from which a hydrogen has been removed.


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The aliquot of oil was first placed on aminopropyl solid phase extraction (SPE) columns, eluted with hexane, concentrated, and analyzed by GC-ECD equipped with a capillary column coated with a nonpolar stationary phase [5 % (mole fraction) phenyl methylpolysiloxane, DB-5, J & W Scientific, Folsom, CA].
Preparation of reference material 8504, transformer oil by Wise, Stephen A. / Journal of Research of the National Institute of Standards and Technology
One example of this is PPD, or phenyl propanedione.
Terminology, technology, and troubleshooting for the dental assistant by Wallace, Victoria L. / The Dental Assistant
Fourier transform (FT) Roman spectroscopy can directly measure phenyl groups in pulp lignin, serving as an alternative to the standard permanganate consumption measurement technique and may help to determine residual-lignin concentration in pulps.
FT-Raman spectroscopy for direct measurement of lignin concentrations ... by Atalla, Rajai H. / Solutions - for People, Processes and Paper
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