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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:
12 September 2006 - 6 October 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
yes
Remarks:
see below
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 304 ring method
Deviations:
no
Principles of method if other than guideline:
Deviation: The surface tension result was not corrected using the Harkins-Jordan correction table as the correction is not applicable to the apparatus used. Once calibrated, the balance and ring assembly used in this test give a direct reading for surface tension that is within the required accuracy (± 0.5 mN/m); this is as a result of the reduced ring dimensions. This deviation has been considered not to have affected the integrity of the study.
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Surface tension:
63 mN/m
Temp.:
22.4 °C
Conc.:
1 g/L
Conclusions:
The surface tension of a 1.00 g/L solution of test substance has been determined to be 63.0 mN/m at 22.4 ± 0.5°C. The test substance is considered not to be a surface-active material.

Description of key information

The surface tension of a 1.00 g/L solution of test substance has been determined to be 63.0 mN/m at 22.4 ± 0.5°C. The test substance is considered not to be a surface-active material.

Key value for chemical safety assessment

Surface tension:
63
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

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