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Diss Factsheets

Physical & Chemical properties

Surface tension

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Reference
Endpoint:
surface tension
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Feb 21, 2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
other: NF EN 14370 (Agents de surface - Détermination de la tension superficielle)
Version / remarks:
2004 / Replace NF ISO 304:1987 (Included in OECD 115)
GLP compliance:
no
Type of method:
plate method
Remarks:
Wilhelmy plate method
Surface tension:
31.56 mN/m
Temp.:
25 °C
Conc.:
100 vol%

Results:

Testing number

Surface tension (mN/m)

1

31.71

2

31.49

3

31.59

4

31.61

5

31.57

6

31.51

7

31.51

8

31.53

9

31.55

10

31.57

Mean (mN/m)

31.56

ST

0.06 (n=10)

The surface tension of the test item is 31.56 mN/m with a standard deviation of 0.06 mN/m.

Description of key information

Surface tension at 25 °C = 31.56 ± 0.06 mN/m (NF EN 14370, Wilhelmy plate method)

Key value for chemical safety assessment

Surface tension:
31.56

Additional information

The surface tension was measured at room temperature (around 25 °C) on the pure liquid product.