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    • Labeled Steam distillation unit with female student Toko School
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 25 June 2018, Updated 26 June 2018 Size: 700 KB Referencing Hub media

    Students use steam distillation to create hydrosols and essential oils. Boiling water creates steam that moves through plant material, picking up volatile and non-volatile compounds.

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      Distilling oils and hydrosols

      Where can a question take you? For Sue Fergus and her students at Taranaki’s Toko School, questions about candle scents and what to do with lavender plants led to a Curious Minds Participatory ...

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