• ASTM D7968-17a

ASTM D7968-17a

Standard Test Method for Determination of Polyfluorinated Compounds in Soil by Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)

ASTM International , 09/01/2017

Publisher: ASTM

File Format: PDF

$54.00$108.00


1.1This procedure covers the determination of selected polyfluorinated compounds (PFCs) in a soil matrix using solvent extraction, filtration, followed by liquid chromatography (LC) and detection with tandem mass spectrometry (MS/MS). These analytes are qualitatively and quantitatively determined by this method. This method adheres to multiple reaction monitoring (MRM) mass spectrometry. This procedure utilizes a quick extraction and is not intended to generate an exhaustive accounting of the content of PFCs in difficult soil matrices. An exhaustive extraction procedure for polyfluoralkyl substances, such as published by Washington et al.,2 for difficult matrices should be considered when analyzing PFCs.

1.2Units-The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3The Method of Detection Limit3 and Reporting Range4 for the target analytes are listed in Table 1.

Analyte

MDL (ng/kg)

Reporting Limit (ng/kg)

PFTreA

6.76

25-1000

PFTriA

5.26

25-1000

PFDoA

3.56

25-1000

PFUnA

2.45

25-1000

PFDA

5.54

25-1000

PFOS

18.83

50-1000

PFNA

2.82

25-1000

PFecHS

2.41

25-1000

PFOA

6.24

25-1000

PFHxS

7.75

25-1000

PFHpA

5.80

25-1000

PFHxA

15.44

50-1000

PFBS

6.49

25-1000

PFPeA

20.93

125-5000

PFBA

22.01

125-5000

FHEA

199.04

600-20 000

FOEA

258.37

750-20 000

FDEA

137.46

500-20 000

FOUEA

4.85

25-1000

FhpPa

5.09

25-1000

FHUEA

3.50

25-1000

(A)Abbreviations are defined in 3.2.

Analyte/Surrogate

LV1

LV2

LV3

LV4

LV5

LV6

LV7

LV8

LV9

PFPeA, PFBA

25

50

100

200

300

400

500

750

1000

PFTreA, PFTriA, PFDoA, PFUnA, PFDA, PFOS, PFNA, PFHxA, PFHpA, PFBS, PFechS, PFOA, PFHxS, FOUEA, FHUEA, FHpPA, MPFBS, MPFHxA, MPFUnA, MPFOA, MPFDA, MPFOS, MPFNA, MPFHxS, MPFBA

5

10

20

40

60

80

100

150

200

FHEA, FOEA, FDEA

100

200

400

800

1200

1600

2000

3000

4000

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