Soil sample

Methods

X, mg kg−1

S

RSD (%)

X ± t p S n

Agriculture soil

Toluene-3,4-dithiol

1.69

0.066

3.9

1.69 ± 0.069

DTMP+AP1

1.73

0.055

3.2

1.73 ± 0.058

Marine soil

Toluene-3,4-dithiol

1.13

0.039

3.5

1.13 ± 0.042

DTMP+AP2

1.09

0.035

3.2

1.09 ± 0.038

Gray forest

Toluene-3,4-dithiol

2.62

0.394

3.0

2.62 ± 0.041

DTMP+AP3

2.70

0.078

2.9

2.70 ± 0.082

Industrial soil

Toluene-3,4-dithiol

1.71

0.061

3.7

1.71 ± 0.067

DTMP+AP1

1.64

0.057

3.5

1.64 ± 0.060

Raod side soil

Toluene-3,4-dithiol

1.25

0.036

2.9

1.25 ± 0.038

DTMP+AP2

1.32

0.037

2.8

1.32 ± 0.039