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Physical & Chemical properties

Surface tension

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Description of key information

  • Data waived - Study scientifically not necessary / other information available. The study does not need to be conducted because based on structure, surface activity is not expected or cannot be precdicted.
  • Column 2 of REACH Annex VII states that the surface tension study needs only be conducted if:
    - based on structure, surface activity is expected or can be predicted; or
    - surface activity is a desired property of the material.
    Accordingly, surface tension does not need to be determined because nickel sulphide is not designed or anticipated to have surfactant properties.

Key value for chemical safety assessment

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