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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:
April 01, 2016 - May 11, 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.5 (Surface Tension)
Deviations:
no
GLP compliance:
yes
Type of method:
ring method
Specific details on test material used for the study:
- Batch n°: 4M408
- Analytical purity: 98.7%
Key result
Surface tension:
61.9 mN/m
Temp.:
20 °C
Conc.:
1 g/L
Remarks on result:
other: The surface tension of the test item is given as the mean value of two measurements.

Calibration:

The measured value of the surface tension of water: 71.1 mN/m

EC standard reading for surface tension of water: 72.75 mN/m

Calibration factor is: 72.75/71.1 = 1.023

The results of the duplicate runs (after correction for water calibration) are stated in the table in the next section.

Conclusions:
The surface tension of the substance was determined to be 61.9 mN/m at a test concentration of 1 g/L and at 20°C. The substance is concluded not to have surface active properties.

Description of key information

The surface tension of the substance was determined to be 61.9 mN/m at a test concentration of 1 g/L and at 20°C.

The substance is concluded not to have surface active properties.

Key value for chemical safety assessment

Surface tension:
61.9
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information