Journal of Analytical Methods in Chemistry / 2015 / Article / Tab 2 / Research Article
An On-Line Solid Phase Extraction-Liquid Chromatography-Tandem Mass Spectrometry Method for the Determination of Perfluoroalkyl Acids in Drinking and Surface Waters Table 2 LC/MS/MS parameters for all target analytes and internal standards.
Compound Abbreviation Precursor ion Product ion Collision energy Tube lens offset Target analytes Perfluorobutanoic acid PFBA 212.9 168.9 11 80 perfluoropentanoic acid PFPeA 262.9 69.0 39 85 218.9 11 85 perfluorohexanoic acid PFHxA 312.9 119.1 22 86 268.9 11 86 perfluoroheptanoic acid PFHpA 362.9 169.0 18 91 318.9 12 91 perfluorooctanoic acid PFOA 412.9 169.0 19 96 368.9 13 96 perfluorononanoic acid PFNA 462.9 218.9 18 104 418.9 13 104 perfluorodecanoic acid PFDA 512.9 268.9 18 97 468.9 13 97 perfluoroundecanoic acid PFUnDA 562.9 268.8 20 96 518.8 14 96 perfluorododecanoic acid PFDoDA 612.9 318.8 20 107 568.9 14 107 Perfluorobutane sulphonate PFBS 298.9 80.2 44 85 99.1 32 85 Perfluorohexane sulphonate PFHxS 398.9 80.1 38 91 99.0 34 91 Perfluorooctane sulphonate PFOS 498.9 80.3 45 104 99.1 45 104 Internal standards Perfluoro-n -[13 C4 ] butanoic acid
13 C4 -PFBA216.9 171.9 11 80 Perfluoro-n -[13 C2 ] hexanoic acid
13 C2 -PFHxA314.9 269.9 11 86 Perfluoro-n -[13 C4 ] octanoic acid
13 C4 -PFOA416.9 371.9 13 96 Perfluoro-n -[13 C5 ] nonanoic acid
13 C5 -PFNA467.9 422.9 13 104 Perfluoro-n -[13 C2 ] decanoic acid
13 C2 -PFDA514.9 469.9 13 97 Perfluoro-n -[13 C2 ] undecanoic acid
13 C2 -PFUnDA564.9 519.8 14 96 Perfluoro-n -[13 C2 ] dodecanoic acid
13 C2 -PFDoDA614.9 569.9 14 107 Perfluoro-n -hexane [18 O2 ] sulphonate
18 O2 -PFHxS402.9 103.0 34 91 Perfluoro-n -octane [13 C4 ] sulphonate
13 C4 -PFOS502.9 99.1 45 104
