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Surface tension

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Description of key information

Key value for chemical safety assessment

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

Additional information

The surface tension of lyophilized Keto Gulonic Acid Greens in water (at a concentration of about 1 g/L) was determined to be


49.9mN/mat 20.2 °C ± 0.1 °C.


Based on the criteria as outlined in the EEC Guideline and the results of this study, lyophilized Keto Gulonic Acid Greens has to be considered as a surface active substance.