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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:
201611/30-2017/12/11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
Version / remarks:
27 July 1995
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.5 (Surface Tension)
Version / remarks:
31 May 2008
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
ring method
Specific details on test material used for the study:
- Batch: 1283282001
- Colour: yellow-brown
- Storage conditions: ambient (5 °C - 30 °C), dark, dry
- Expiry date: 30 Apr 2019
Key result
Surface tension:
69.8 mN/m
Temp.:
20.2 °C
Remarks on result:
other: corrected mean surface tension at 90 % of the saturation concentration

The test was performed twice at a temperature of 20.0 °C (test 1) and 20.4 °C (test 2).

The determined mean values of the measurements:

Test No.

Temperature[°C]

Mean Surface Tension
(measured)
[mN/m]

CorrectedMean Surface Tension[mN/m]

1

20.0

68.9

70.5

2

20.4

67.5

69.1

Mean:

20.2

68.2

69.8

Absolute Deviation:

0.4

1.4

1.4

 

Conclusions:
The mean surface tension as a dilution at 90 % of the saturation concentration in water of test item was determined to be 69.8 mN/m at 20.2 °C.
Executive summary:

The aim of the study was the determination of the surface tension of the test item as a dilution in water at 20 °C ± 0.5 °C according to EC method A.5 and OECD 115 using ring method. The test was performed twice.

The mean surface tension as a dilution at 90 % of the saturation concentration in water of test item was determined to be 69.8 mN/m at 20.2 °C.

Description of key information

The surface tension of the test item as a dilution in water at 20 °C ± 0.5 °C according to EC method A.5 and OECD 115 using ring method. The test was performed twice.

The mean surface tension as a dilution at 90 % of the saturation concentration in water of test item was determined to be 69.8 mN/m at 20.2 °C.

Key value for chemical safety assessment

Surface tension:
69.8

Additional information