acenaphthene


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acenaphthene

[‚as·ə′naf·thēn]
(organic chemistry)
C12H10 An unsaturated hydrocarbon whose colorless crystals melt at 92°C; insoluble in water; used as a dye intermediate and as an agent for inducing polyploidy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Due to their toxicity to humans, the following 17 compounds are most frequently determined: acenaphthene, acenaphthylene, anthracene, benzo(a)anthracene, benzo(a)pyrene, benzo(e)pyrene, benzo(b)fluoranthene, benzo(j)fluoranthene, benzo(k)fluoranthene, benzo(g,h,i)perylene, chrysene, dibenzo(a,h)anthracene, fluoranthene, fluorene, phenanthrene, pyrene and indeno(1,2,3-cd)pyrene.
The standard curve of PAHs was including naphthalene, acenaphthylene, acenaphthene, fluorene, phenanthrene, anthracene, fluoranthene, pyrene, benzo(a)anthracene, chrysene, benzo(b) fluoranthene, benzo(a)pyrene, indeno(1,2,3-cd) pyrene, and benzo(g,h,i)perylene as shown in figure 1.
Polycyclic aromatic hydrocarbons (PAHs): Naphthalene, acenaphthylene, acenaphthene, phenanthrene, fluorene, anthracene, pyrene, chrysene (internal standard (i.s)), benzo(a)anthracene, fluoranthene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, benzo(g,h,i)perylene, indeno(1,2,3-cd)pyrene and dibenzo(a,h)anthracene.
mono(2-ethylhexyl) ester 5 Anthracene 6 Acenaphthene 7 1,3-Dimethyl-benzene 8 Dimethyl phthalate 9 1 -Methylene-1H-indene 10 Acetic acid, l-methylpropyl ester 11 Decanal 12 Methyl cyclohexane 13 Pentadecane 14 2-Methyl-4-methylene-hexane 15 Nonanal 16 Dibutyl phthalate 17 3-Methylheptane 18 Hexane 19 Oxalic acid, isohexyl pentyl ester 20 2-Methylcyclopentanone 21 2-Ethyl-1-hexanol Sample no.
[gamma]-Chloropropyl-trimethylsilane, naphthalene (99%, Nap), acenaphthene (98%, Acp), fluorene (98%, Flu), anthracene (98.5%, Ant), fluoranthene (98%, FL), and pyrene (98%, Pyr) were purchased from AccuStandard Corp.
EH4 Tetradecane, hexadecane, [14] eicosane, heneicosane, pristane, acenaphthene, phenanthrene, anthracene, and 9-methyl anthracene Haloferax sp.
Such enrichment was unclear for >[C.sub.12] n-alkanes; [C.sub.10], [C.sub.11], [C.sub.13] n-FAs; BTEXs; naphthalene, acenaphthene, and fluoranthene because of their very low concentration and/or the measurement uncertainty.
For example, acrolein levels were 50 times lower for the Lucky Strike cigarettes than what Health Canada reports, and while the researchers found polycyclic aromatic hydrocarbons like acenaphthene three times higher in the iQOS than in cigarettes, it is not a chemical the FDA lists in its regulations.
OC amorphous] Naphthalene 3.3a 2.8 Acenaphthylene 4.0a 3.5 Acenaphthene 4.2a 3.7 Fluorene 4.3a 3.8 Phenanthrene 4.6 4.1 Anthracene 4.6 4.1 Fluoranthene 5.2 4.7 Pyrene 5.2 4.7 Benzo[a] anthracene 5.9 5.4 Chrysene 5.8 5.3 Benzo[e]pyrene 6.4 5.9 Benzo[b] fluoranthene 5.8 5.3 Benzo[k] fluoranthene 6.2 5.7 Benzo[a]pyrene 6.0 5.5 Indeno [1,2,3-cd] pyrene n.d.
EPA as priority pollutants, namely naphthalene (NAP), acenaphthylene (ACY), acenaphthene (ACE), fluorine (FLU), phenanthrene (PHE), anthracene (ANT), fluoranthene (FLA), pyrene (PYR), benzo[a] anthracene (BaA), chrysene (CHR), benzo[b] fluoranthene (BbF), benzo[k] fluoranthene (BkF), benzo [a] pyrene (BaP), dibenz[a,h] anthracene (DahA), benzo[g,h,i]perylene (BghiP), and indeno[1,2,3-cd]pyrene (IcdP).
A certified solution of 16 standard polycyclic aromatic hydrocarbons (naphthalene; acenaphthylene; acenaphthene; fluorene; phenanthrene; anthracene; fluoranthene; pyrene; benz[a]anthracene; chrysene; benzo[k] fluoranthene; benzo[b]fluoranthene; benzo[a]pyrene; indeno[1, 2,3-cd]pyrene; dibenz[a,h]anthracene; and benzo[g,h,i]perylene) with 10 mg/L concentration of each compound was purchased from Supelco, Milan, Italy.