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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
transformation / dissolution of metals and inorganic metal compounds
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Series on Testing and Assessment No. 29 (23-Jul-2001): Guidance document on transformation/dissolution of metals and metal compounds in aqueous media
GLP compliance:
no
Type of method:
flask method
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
8 µg/L
Element analysed:
Nb
Loading of aqueous phase:
100 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
1.613 mg/L
Element analysed:
Te
Loading of aqueous phase:
100 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
2.438 mg/L
Element analysed:
V
Loading of aqueous phase:
100 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
14.02 mg/L
Element analysed:
Mo
Loading of aqueous phase:
100 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
4.7 µg/L
Element analysed:
Nb
Loading of aqueous phase:
10 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
0.222 mg/L
Element analysed:
Te
Loading of aqueous phase:
10 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
0.312 mg/L
Element analysed:
V
Loading of aqueous phase:
10 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
1.74 mg/L
Element analysed:
Mo
Loading of aqueous phase:
10 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
3.2 µg/L
Element analysed:
Nb
Loading of aqueous phase:
1 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
0.026 mg/L
Element analysed:
Te
Loading of aqueous phase:
1 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
0.04 mg/L
Element analysed:
V
Loading of aqueous phase:
1 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5
Key result
Type of test:
full transformation/dissolution test - metals and sparingly soluble metal compounds
Mean dissolved conc.:
0.225 mg/L
Element analysed:
Mo
Loading of aqueous phase:
1 mg/L
Incubation duration:
7 d
Test conditions:
pH 8.5

Description of key information

transformation/dissolution assay (OECD Guideline 29, 7d, pH 8.5)

nominal                   Mo        V         Te         Nb
[mg/l]                     [mg/l]   [mg/l]  [mg/l]  [µg/l]
1                            0.225    0.040   0.026   3.2
10                          1.740    0.312   0.222   4.7
100                        14.02    2.438   1.613   8.0

Key value for chemical safety assessment

Additional information