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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:
July 10, 2017 to July 25, 2017
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)
Qualifier:
according to guideline
Guideline:
other: ASTM D1331 - 11 Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents
Qualifier:
according to guideline
Guideline:
other: ISO 304 (1985)
GLP compliance:
yes (incl. QA statement)
Type of method:
ring method
Specific details on test material used for the study:
Name (as stated in the report): Silvial
Batch No.: SC00017272
Expiration date: October 13, 2017
Key result
Surface tension:
42.1 mN/m
Temp.:
20 °C
Conc.:
2.48 other: mg/L (90% saturation concentration)
Conclusions:
Thus the results obtained were averaged, to give the surface tension of the solution.
The result is: 42.1 mN/m
Therefore, according to this test, it was considered that the test material is surface active (surface tension < 60 mN/m).
Executive summary:

The surface tension of a solution of Silvial in ultrapure water (90% saturation concentration) was determined according to the OECD Guideline No. 115, using the ring method.

The result is:           42.1 mN/m

Therefore, according to this test, it was considered that the test material is surface active (surface tension < 60 mN/m).

Description of key information

The surface tension of a solution of Silvial in ultrapure water (90% saturation concentration) was determined according to the OECD Guideline No. 115, using the ring method.

Key value for chemical safety assessment

Surface tension:
41.2
in mN/m at 20°C and concentration in mg/L:
2.48

Additional information