Research Article

Analysis of Polycyclic Aromatic Hydrocarbons in Ambient Aerosols by Using One-Dimensional and Comprehensive Two-Dimensional Gas Chromatography Combined with Mass Spectrometric Method: A Comparative Study

Table 1

Information of target PAHs in the study.

CompoundAbbreviationCAS numberMolecular formulaMWQuantitative ionQualifier ionRetention time
GC-qMSGC×GC-TOFMS
(min)tr1 (min)tr2 (s)

Naphthalene-d8aNap-d81146-65-2C10D8136.213613712.2513.401.34
NaphthaleneNap91-20-3C10H8128.212812912.3413.471.35
AcenaphthyleneAcy208-96-8C12H8152.215215319.0819.561.55
Acenaphthene-d10aAce-d1015067-26-2C12D10164.216216419.4720.121.52
AcenaphtheneAce83-32-9C12H10154.215315419.6120.281.52
FluoreneF86-73-7C13H10166.216616521.6122.281.53
Phenanthrene-d10aPhen-d101518-22-2C14D10188.218818925.9125.961.68
PhenanthrenePhen85-01-8C14H10178.217817926.0126.041.71
AnthraceneAnt120-12-7C14H10178.217817926.1426.201.68
Fluoranthene-d10aFla-d1093951-69-0C16D10212.221221330.9930.681.84
FluorantheneFla206-44-0C16H10202.220220331.0830.681.87
PyrenePyr129-00-0C16H10202.220220332.2531.561.98
Benz[a]anthraceneBaA56-55-3C18H12228.222822637.2036.282.21
Chrysene-d12aChr-d121719-03-5C18D12240.324023637.4236.282.27
ChryseneChr218-01-9C18H12228.322822637.5436.442.26
Benzo[b]fluorantheneBbF205-99-2C20H12252.325225341.5540.122.76
Benzo[k]fluorantheneBkF207-08-9C20H12252.325225341.6540.282.74
Benzo[e]pyreneBeP192-97-2C20H12252.325225342.9041.083.16
Benzo[a]pyreneBaP50-32-8C20H12252.325225343.0941.243.23
Perylene-d12aPer-d121520-96-3C20D12264.326426043.4641.403.36
PerylenePer198-55-0C20H12252.325225343.5741.483.47
Indeno[1,2,3-cd]pyreneIP193-39-5C22H12276.327627748.0945.480.71
Dibenz[a,h]anthraceneDBahAnt53-70-3C22H14278.327827948.1245.640.82
Benzo[ghi]perylene-d12aBghiPer-d1293951-66-7C22D12288.328828449.9246.521.54
Benzo[ghi]peryleneBghiPer191-24-2C22H12276.327627750.1346.681.78

aInternal standard.