Orders placed online and which are over $299 ex gst are delivered freight free anywhere in Australia. Offer is valid until 31 December 2024 and excludes: (i) orders involving chemicals and (ii) orders involving oversized items such as safety cabinets, ovens, incubators, trolleys etc. Such items are highlighted on our website.
In the blink of an eye this ink bids goodbye! Explore the magic of chemical reactions with this disappearing ink party trick. Once exposed to the air, the blue indicator turns colourless as it reacts with carbon dioxide. You can then make it reappear.
What You Get Chem Bit - Disappearing Ink. 1 oz ( 30mL) Thymolphthalein solution and instructions.
Teach Acid/base reactions and indicator Neutralisation
