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Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
The experiment was started and finished 2009-10-08
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
no
Type of method:
ring method
Surface tension:
71.14 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Remarks on result:
other: Due to the fact that the surface tension is higher than 60 mN/m, the test item has no surface-active properties.
Conclusions:
Under the described conditions the aqueous solution of the test item, cobalt di(acetate) tetrahydrate, at 20 °C is sigma = 71.1 mN/m. In conclusion, the test item has no surface active properties.

Description of key information

The surface tension of cobalt diacetate tetrahydrate, at 20 °C and 1 mg/L is 71.1 mN/m. In conclusion, the test item has no surface active properties.

Key value for chemical safety assessment

Surface tension:
71.1
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information