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Table 1 Recovery rates of organic and total mercury concentrations in the certified reference materials

From: Rapid methods to detect organic mercury and total selenium in biological samples

Standard Reference Materials (SRM)

Organic mercury (μg/g dry wt.)†

Total mercury (μg/g dry wt.)†

  

Expected value

Observed value

N

Recovery (%)

Expected value

Observed value

N

Recovery (%)

DOLT-3

(Dogfish liver)

1.59 ± 0.12

1.57 ± 0.06

47

98.6 ± 5.7

3.37 ± 0.14

3.33 ± 0.15

61

98.9 ± 4.3

TORT-2

(Lobster hepatopancreas)

0.152 ± 0.013

0.149 ± 0.009

19

97.9 ± 4.7

0.27 ± 0.06

0.26 ± 0.02

23

97.5 ± 5.5

NIST 1566b

(Oyster tissue)

0.0132 ± 0.007

0.0128 ± 0.0015

4

97.2 ± 9.6

0.0371 ± 0.0013

0.0354 ± 0.0022

3

95.4 ± 4.9

  1. † Detection limit: 0.020 ng by DMA-80