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Table 1 List of quantified PFASs in Faroese serum samples and their limits of detection

From: Can profiles of poly- and Perfluoroalkyl substances (PFASs) in human serum provide information on major exposure sources?

Analyte

Acronym

Carbon-chain length

Molecular ion

LOD (ng/mL)

Carboxylic acids (PFCAs)

    

 Perfluorobutanoic acid

PFBA

C-4

F(CF2)3CO2−

0.1

 Perfluoropentanoic acid

PFPeA

C-5

F(CF2)4CO2−

0.05

 Perfluorohexanoic acid

PFHxA

C-6

F(CF2)5CO2−

0.05

 Perfluoroheptanoic acid

PFHpA

C-7

F(CF2)6CO2−

0.03

 Perfluorooctanoic acid

PFOA

C-8

F(CF2)7CO2−

0.03

 Perfluorononanoic acid

PFNA

C-9

F(CF2)8CO2−

0.03

 Perfluorodecanoic acid

PFDA

C-10

F(CF2)9CO2−

0.03

 Perfluoroundecanoic acid

PFUnDA

C-11

F(CF2)10CO2−

0.03

 Perfluorododecanoic acid

PFDoDA

C-12

F(CF2)11CO2−

0.05

Sulfonic acids (PFSAs)

    

 Perfluorobutane sulfonic acid

PFBS

C-4

F(CF2)4SO3−

0.1

 Perfluorohexane sulfonic acid

PFHxS

C-6

F(CF2)6SO3−

0.05

 Perfluoroheptane sulfonic acid

PFHpS

C-7

F(CF2)7SO3−

0.03

 Linear perfluorooctane sulfonic acid

nPFOS

C-8

F(CF2)8SO3−

0.03

 Branched perfluorooctane sulfonic acid

brPFOS

C-8

F(CF2)8SO3−

0.03

 Perfluorodecane sulfonic acid

PFDS

C-10

F(CF2)10SO3−

0.03

PFOS Precursors (PreFOS)

    

 N-ethyl perfluorooctane sulfonamidoacetate

N-EtFOSAA

C-8

F(CF2)8SO2N (C2H5)CH2CO2−

0.03

 N-methyl perfluorooctane sulfonamidoacetate

N-MeFOSAA

C-8

F(CF2)8SO2N (CH3)CH2CO2−

0.03

 Linear perfluorooctane sulfonamide

nFOSA

C-8

F(CF2)8SO2NH2

0.03

 Branched perfluorooctane sulfonamide

brFOSA

C-8

F(CF2)8SO2NH2

0.03