chrysene


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chrysene

[′krī ‚sēn]
(organic chemistry)
C18H12 An organic, polynuclear hydrocarbon which when pure gives a bluish fluorescence; a component of short afterglow or luminescent paint.
References in periodicals archive ?
Polycyclic aromatic hydrocarbons - found by a 2014 US study to be "highly mutagenic cancer-causing compounds" - were also present, including benzo(e)pyrene and chrysene.
As shown in Figure 1, 36 key PAHs are analyzed in just 32 minutes and all priority compounds--including benz [a] anthracene, chrysene, benzo[b]fluoranthene, benzo[a]pyrene, chrysene, triphenylene, cyclopenta[cd]pyrene, and benzo [b], [k], [j], and [a] fluoranthenes--are well resolved allowing accurate integration.
There are only 10 PAHs compounds found in present study which included Dibenzo (a, h) Anthracene, Benzo (a) Pyrene, Benzo (k) Fluoranthene, Fluoranthene, Chrysene, Phenanthrene, Acenaphylene, Ideno (1,2,3cd) Pyrene, Benzo (g, h, i) Perylene and Benzo (a) Anthracene.
1 Benzo(a)pyrene, benz(a)anthracene, benzo(b)fluoranthene and chrysene
The compounds mainly fall into the following 12 aromatic hydrocarbon series: naphthalene (m/z 128, m/z 142, m/z 156, m/z 170, m/z 184, m/z 198), phenanthrene (m/z 178, m/z 192, m/z 206, m/z 220), benzopyrene (m/z 252), fluoranthene (m/z 202, m/z 216), dibenzothiophene (m/z 184, m/z 198, m/z 212, m/z 226), benzonaphthothiophene (m/z 234), dibenzofuran (m/z 168, m/z 182, m/z 196), fluorene (m/z 166, m/z 180, m/z 194), chrysene (m/z 228, m/z 242, m/z 256), biphenyl (m/z 154, m/z 168, m/z 182), triaromatic sterane (m/z 231) and benzohopane (m/z 191).
This contract is for the supply - for acquisition, delivery and installation of a gas chromatography linked to a mass spectrometer including a PTV and a thermal desorption unit for the analysis of PAHs (naphthalene, acenathylene , acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo (a) anthracene, chrysene, benzo (b) fluoranthene, benzo (j) fluoranthene, benzo (k) fluoranthene, benzo (a) pyrene, indeno (1,2,3 -cd) pyrene, dibenzo (a, h) anthracene and benzo (g, h, i) perylene).
Some PAHs have been classified as priority pollutants [9]; sixteen of the common or so "unsubstituted" PAHs, naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, dibenz[a,h]anthracene, benzo[g,h,i]perylene, and indeno[1,2,3-cd]pyrene, typically analyzed in standard contract laboratory scans have been listed by the United States Environmental Protection Agency (US EPA).
Arsenic, barium, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, potassium, vanadium, and zinc among metals; and anthracene, phenanthrene, pyrene, fluoranthene, chrysene, benz(a)anthracene, benzo(b)fluoranthene, benzo(a)pyrene, benzo(k)fluoranthene, indeno (1,2,3-cd) pyrene, benzo (g,h,i) perylene, and dibenz (a,h) anthracene among PAHs were frequently detected, while other metals and lightweight PAHs were less so.
Mechanism of differential catalytic efficiency of two polymorphic forms of human glutathione S-transferase P1-1 in the glutathione conjugation of carcinogenic diol epoxide of chrysene.
25 Acenaphthene ND 1 ND 1 Acenaphthylene ND 1 ND 1 Anthracene ND 1 ND 1 Benzo[a]anthracene ND 1 ND 1 Benzo[a]pyrene ND 1 ND 1 Benzo[b]fluoranthene ND 1 ND 1 Benzo[g,h,ilperylene ND 1 ND 1 Benzo[k1fluoranthene ND 1 ND 1 Chrysene ND 1 ND 1 Dibenzo[a,h]anthracene ND 1 ND 1 Fluoranthene ND 1 ND 1 Fluorene ND 1 ND 1 Indenol1,2,3-cd]pyrene ND 1 ND 1 Naphthalene ND 0.
Polycyclic aromatic hydrocarbon metabolizing enzyme activities in human lung, and their inducibility by exposure to naphthalene, phenanthrene, pyrene, chrysene, and benzo pyrene as shown in the rat lung and liver.