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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:
09 October 2015
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:
plate method
Specific details on test material used for the study:
Identification: FAT 40138/G TE
Lot: 52-54
Appearance: Yellow powder
Key result
Surface tension:
66.982 mN/m
Temp.:
20 °C
Conc.:
0.25 vol%

The variation of specification factor was 0.000771 mN/m.

Conclusions:
The surface tension of FAT 40138/G was determined to be 66.982 mN/m.
Executive summary:

The determination of the surface tension of the test substance was based on OECD Guideline 115 and EU Method A.5. It was accomplished by means of a tensiometer, using the Wilhelmy plate method. Based on the findings of the study, the surface tension of the test substance was determined to be 66.982 mN/m at room temperature ca 20 °C. The variation of specification factor was 0.000771 mN/m.

Description of key information

The determination of the surface tension of the test substance was based on OECD Guideline 115 and EU Method A.5. It was accomplished by means of a tensiometer, using the Wilhelmy plate method. Based on the findings of the study, the surface tension of FAT 40138/G was determined to be 66.982 mN/m at room temperature ca 20 °C. The variation of specification factor was 0.000771 mN/m.

Key value for chemical safety assessment

Surface tension:
66.982
in mN/m at 20°C and concentration in mg/L:
0.25

Additional information