Viri:

• https://www.lh-trade.si/sl/izdelek/steklena-erlenmajerica-250-ml/
• https://market.mikro-polo.si/vsi-izdelki/izdelek.aspx/i783739
• https://www.sciencebox.eu/product/0056-plasticna-kapalka/
• https://market.mikro-polo.si/vsi-izdelki/izdelek.aspx/i3770398?sort=Ident&order=desc
• https://www.kefo.si/izparilnica-fi-200mm-z-izlivom-plitva