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EPA 1633 PFAS on Force C18 by LC-MS/MS using Acetonitrile

LC_EV0585
PeakstR (min)Conc.
(ng/mL)
Precursor 1Product 1Product 2Precursor 2Product 1
1.Perfluorobutanoic acid (PFBA)1.13200212.8169.0---
2.Perfluoro-3-methoxypropanoic acid (PFMPA)1.49100229.085.0---
3.3-Perfluoropropyl propanoic acid (3:3FTCA)1.75200241.0177.0117.0--
4.Perfluoropentanoic acid (PFPeA)2.39100263.0219.068.9--
5.Perfluoro-4-methoxybutanoic acid (PFMBA)2.86100279.085.0---
6.1H,1H, 2H, 2H-Perfluorohexane sulfonic acid (4:2 FTS)3.44200327.0307.081.0--
7.Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)3.71100294.9201.185.0--
8.Perfluorobutanesulfonic acid (PFBS)3.8750299.080.099.0--
9.Perfluorohexanoic acid (PFHxA)3.8850313.0269.0119.0--
10.Hexafluoropropylene oxide dimer acid (HFPO-DA)4.37100285.0169.0185.0--
11.Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)4.58100315.0135.083.0--
12.2H,2H,3H,3H-Perfluorooctanoic acid (5:3FTCA)4.8320341.0237.0217.0--
13.Perfluoroheptanoic acid (PFHpA)5.2550363.1319.0169.0--
14.Perfluoropentansulfonic acid (PFPeS)5.4050349.080.099.0--
15.4,8-Dioxa-3H-perfluorononanoic acid (ADONA)5.70100377.0251.084.8--
16.Taurodeoxycholic acid (TDCA)5.90100498.480.0---
17.1H,1H, 2H, 2H-Perfluorooctane sulfonic acid (6:2 FTS)6.00200427.0407.081.0--
18.Perfluorooctanoic acid (PFOA)6.4650413.0369.0169.0--
19.Perfluorohexanesulfonic acid (PFHxS)6.7450399.080.099.0--
20.3-Perfluoroheptyl propanoic acid (7:3FTCA)7.4220441.0317.0337.0--
21.Perfluorononanoic acid (PFNA)7.5750463.0419.0219.0--
22.Perfluoroheptanesulfonic acid (PFHpS)7.9450449.080.099.0--
23.1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)8.15200527.0507.081.0--
24.Perfluorodecanoic acid (PFDA)8.5350513.0469.0219.0--
25.N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)8.5750570.0419.0483.0--
26.Perfluorooctanesulfonic acid (PFOS)8.8050499.080.099.0--
27.N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)8.8350584.0419.0526.0--
28.Perfluoroundecanoic acid (PFUnA)9.0850563.0519.0269.0--
29.9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)9.17100531.0351.0-533.0353.0
30.Perfluorononanesulfonic acid (PFNS)9.3050549.080.099.0--
31.Perfluorododecanoic acid (PFDoA)9.5050612.7568.8319.0--
32.Perfluorodecanesulfonic acid (PFDS)9.7050598.680.099.0--
33.Perfluorotridecanoic acid (PFTrDA)9.8750662.8618.8169.0--
34.11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)9.97100631.0451.0-633.0453.0
35.Perfluorooctanesulfonamide (PFOSA)10.1950498.078.0478.0--
36.Perfluorotetradecanoic acid (PFTeDA)10.2150712.7668.7169.0--
37.Perfluorododecanesulfonic acid (PFDoS)10.4050698.780.099.0--
38.N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)11.11500616.059.0---
39.N-methyl perfluorooctanesulfonamide (NMeFOSA)11.2350511.8219.0169.0--
40.N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)11.41500630.059.0---
41.N-ethyl perfluorooctanesulfonamide (NEtFOSA)11.5250526.0219.0169.0--
ColumnForce C18 (cat.# 9634252)
Dimensions:50 mm x 2.1 mm ID
Particle Size:1.8 µm
Pore Size:100 Å
Guard Column:Force C18 EXP guard column cartridge 5 mm, 2.1 mm ID (cat.# 963450252)
Temp.:40 °C
Standard/Sample
Diluent:Water, 5 mM ammonium acetate
Inj. Vol.:1 µL
Mobile Phase
A:Water, 5 mM ammonium acetate
B:Acetonitrile
Time (min)Flow (mL/min)%A%B
0.000.48020
7.000.45545
12.000.40100
12.010.48020
14.000.48020
DetectorShimadzu 8060 MS/MS
Ion Source:Electrospray
Ion Mode:ESI-
Mode:MRM
InstrumentShimadzu Nexera X2
Sample PreparationSamples were aliquoted into a 2.0 mL, 9 mm screw-thread polypropylene vials (cat.# 23242) and capped with 9 mm solid-top polyethylene caps (cat.# 23244).
NotesA PFAS delay column (cat.# 27854) was installed before the injector.