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Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016-09-26
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.6 (Water Solubility)
Deviations:
no
GLP compliance:
no
Type of method:
flask method
Key result
Water solubility:
< 2 µg/L
Conc. based on:
other: terbium
Loading of aqueous phase:
5 g/L
Incubation duration:
8 d
Temp.:
20 °C
pH:
7

Limit of detection

Coµg/l

Feµg/l

Ndg µg/l

Dyµg/l

Prjg/l

Tbµg/l

 

4 µg/i

2 µg/l

5 µg/l

2 µg/l

3 µg/l

3 µg/l

Blank value water (Merck)

< 4

< 2

< 5

< 2

< 3

< 3

Ergebnis:

Auslagerung 0,45 |m

Coµg/l

Feµg/l

Ndµg/l

Dyµg/l

Prµg/l

Tbµg/l

1 day

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

4 days

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

6 days

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

8 days

Not acidified

3

62

27

< 2

< 2

< 2

 

+ HNO3

12

60

57

3

< 2

< 2

 

 

 

 

 

 

 

Auslagerung 0,1 |m

Coµg/l

Feµg/l

Nd µg/l

Dyµg/l

Prµg/l

Tbµg/l

1 days

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

4 days

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

6 days

Not acidified

< 4

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

< 4

< 2

< 5

< 2

< 2

< 2

8 days

Not acidified

5

< 2

< 5

< 2

< 2

< 2

 

+ HNO3

7

< 2

9

2

< 2

< 2

 
Conclusions:
The water solubility of Terbium in a Rare Earth alloy was measured as < 2 μg/l.
Executive summary:

The water solubility of Terbium in a Rare Earth alloy was measured as < 2 μg/l.

Description of key information

The water solubility of Terbium in a Rare Earth alloy was measured as < 2 μg/l.

Key value for chemical safety assessment

Water solubility:
2 µg/L
at the temperature of:
25 °C

Additional information