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Surface tension

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Description of key information

65.8 mN/m, 20 °C, concentration of 1 g/L, OECD 115, EU Method A.5, Martin 2000

Key value for chemical safety assessment

Surface tension:
65.8
in mN/m at 20°C and concentration in mg/L:
1 000

Additional information

The surface tension of the test material was determined in accordance with standardised guidelines OECD 115 and EU Method A.5 using the plate method (with the platinum plate to allow proper assessment of the time dependence of the surface tension). Under the conditions of the test, the surface tension of the test material dissolved in double distilled water at a concentration of 1 g/L (supernatant after centrifugation) at a temperature of 20 °C was determined to be 65.8 mN/m. The test material meets the EU definition of surface active.

The study was performed in line with GLP and following accepted standardised guidelines with a high standard of reporting. The study was assigned a reliability score of 1 in accordance with the principles of assessing data quality outlined in Klimisch (1997), and considered suitable for assessment as an accurate reflection of the test material.

The available data are considered complete and the result determined, 65.8 mN/m at 20 °C at a concentration of 1 g/L, at a temperature of 20 ºC, was taken forward for risk assessment.

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