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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:
2014
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
GLP compliance:
no
Type of method:
plate method
Specific details on test material used for the study:
FAT Number: 92368/Y
Appearance: Yellow powder
Key result
Surface tension:
50.362 mN/m
Temp.:
20 °C
Conc.:
0.25 vol%
Conclusions:
The surface tension of FAT 92368/Y was determined to be 50.362 mN/m at room temperature ca 20 °C.
Executive summary:

The determination of the surface tension of FAT 92368/Y was based on OECD Guideline No. 115: “Surface Tension of Aqueous Solutions” (1995) and on the EEC Directive 92/69, Part A, methods for the determination of physico-chemical properties, A5 “Surface Tension”, EEC Publication No. L383, December 1992. It was accomplished by means of a Tensiometer, using the Wilhelmy Platte method, which measures the force which was required to withdraw a horizontally suspended plate from the surface of the solution. Based on the findings of the study, the surface tension of FAT 92368/Y was determined to be 50.362 mN/m at room temperature ca 20 °C. The variation of specification factor was 0.008033 mN/m.

Description of key information

The determination of the surface tension of FAT 92368/Y was based on OECD Guideline No. 115: “Surface Tension of Aqueous Solutions” (1995) and on the EEC Directive 92/69, Part A, methods for the determination of physico-chemical properties, A5 “Surface Tension”, EEC Publication No. L383, December 1992. It was accomplished by means of a Tensiometer, using the Wilhelmy Platte method, which measures the force which was required to withdraw a horizontally suspended plate from the surface of the solution. Based on the findings of the study, the surface tension of FAT 92368/Y was determined to be 50.362 mN/m at room temperature ca 20 °C. The variation of specification factor was 0.008033 mN/m.

Key value for chemical safety assessment

Surface tension:
50.362
in mN/m at 20°C and concentration in mg/L:
2.5

Additional information