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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:
From January 06, 2010 to March 12, 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
OECD Guideline 115 (Surface Tension of Aqueous Solutions)
GLP compliance:
yes
Type of method:
ring method
Surface tension:
64.9 mN/m
Temp.:
20 °C
Conc.:
1 g/L

Table 1 Surface Tension of Everzol Red CDN Crude

Items

Result (mN/m)

Temperature

(°C)

Comment

Water

(System suitability)

72.2

20.0

The test substance was transferred to the measuring vessel through 10 seconds.

Test substance

64.9

20.0

Conclusions:
According to OECD 115, the surface tension of ca 1 g/L aqueous solution of Everzol Red CDN Crude was 64.9 mN/m at 20.0 °C.
Executive summary:

This test using the procedures outlined in the SNCL Study Plan for IA09-02 and OECD 115. The apparatus was ready for testing. The surface tension was determined by Tensiometer using ring method. Therefore, the surface tension of ca 1 g/L aqueous solution of Everzol Red CDN Crude was 64.9 mN/m at 20.0 °C.

Description of key information

The surface tension of ca 1 g/L aqueous solution of Everzol Red CDN Crude was 64.9 mN/m at 20.0°C(OECD TG115).

Key value for chemical safety assessment

Surface tension:
64.9
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The calibration of the apparatus gave a measured value of 72.2 mN/m for water at 20.0°C showed the apparatus was ready for testing.