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EC number: 220-006-9
CAS number: 2601-33-4
The surface tension of the test item aqueous solution read on the
instrument was 32.0 mN/m at 21°C ± 0.5°C using the ring method
representing the mean of five
separate measurements. The measured values were corrected with
Harkins-Jordan correction factor.
The measured surface tension was multiplied by Φb resulting in a
corrected surface tension of 32.6 mN/m.
As the surface tension value was lower than 60 mN/m, FSM-005W is
classified as surface active.
Measured surface tension values and equilibrium times
The determination of the surface tension was carried out on the test
item, with the use of a Krüss K11 Tensiometer by ring method. The value
was found to be 32.6 mN/m at 21°C ± 0.5°C, in accordance with Method
A.5. “Surface Tension”, Official Journal of the European Union L 142 of
31 May 2008, and OECD Guidelines for Testing of Chemicals, Guideline No.
115, ”Surface Tension of Aqueous Solutions”, adopted 27 July 1995.
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