Skip to main content

Table 3 Recovery of silver forms in medium of OECD TG 202 and 201 at the end of the testing

From: Hazard grouping of nanomaterials for daphnia and algae toxicity: lessons learned from scientific projects for regulatory applicability

 

ADaM medium (acc. to OECD TG 202)

OECD medium (acc. to OECD TG 201)

Nominal concentration (μg/l)

Analytical concentration (μg/l)

Recovery (%)

Nominal concentration (μg/l)

Analytical concentration (μg/l)

Recovery (%)

Batch SRM 110525 (wire)

1

< 0.1

< 0.1

17

4.5

26

44

0.58

1.3

50

4.8

10

133

1.2

0.9

150

10

7

400

1.3

0.3

450

28

6

   

1350

650

48

   

4050

650

16

Batch 1340 (nanowire)

1.6

0.88

55

1.9

0.1

5

4.9

1.1

22

5.6

0.5

9

14.8

1.8

12

17

2.5

15

44.4

< 0.1

< 0.2

50

12

24

400

33

8

150

40

27

NM300K

n.d.

n.d.

n.d.

1.85

30

1622a

 

n.d.

n.d.

n.d.

5.5

0.83

15

 

n.d.

n.d.

n.d.

16.5

1.2

7

 

n.d.

n.d.

n.d.

50

18

36

 

n.d.

n.d.

n.d.

150

68

45

  1. n.d. not defined
  2. aMeasuring error, the quality control of the chemical analysis shows no significant derivation