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Physical & Chemical properties

Surface tension

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surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.5 (Surface Tension)
Version / remarks:
EEC Directive TG A.5 ((Amtsblatt der EG L 251/37. 19.9.84)
GLP compliance:
Type of method:
ring method
Key result
Surface tension:
58.1 mN/m
20 °C
10 other: ml/l
Remarks on result:
other: Filtrate of 10.0 ml/l emulsion
Key result
Surface tension:
62.2 mN/m
20 °C
5 other: ml/l

A 10 ml/l oil in water emulsion was prepared and filtered through a paper filter. The filtrate was measured and diluted

The surface tension of the test substance was determined to be 58.1 mN/m at 20°C, filtrate of 10 ml/l emulsion

Description of key information

58.1 mN/m at 20°C

(c= Filtrate of 10 ml/l emulsion)

62.2 mN/m at 20°C

(c= 5 ml/l; 1:1 dilution of above)

Key value for chemical safety assessment

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

Additional information

The test was carried out by ring method.

A 10 ml/l oil in water emulsion was prepared and filtered through a paper filterc The filtrate was measured and diluted.