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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< 0.1174.526
440.581.3504.810
1331.20.9150107
4001.30.3450286
   135065048
   405065016
Batch 1340 (nanowire)1.60.88551.90.15
4.91.1225.60.59
14.81.812172.515
44.4< 0.1< 0.2501224
4003381504027
NM300Kn.d.n.d.n.d.1.85301622a
 n.d.n.d.n.d.5.50.8315
 n.d.n.d.n.d.16.51.27
 n.d.n.d.n.d.501836
 n.d.n.d.n.d.1506845
  1. n.d. not defined
  2. aMeasuring error, the quality control of the chemical analysis shows no significant derivation