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There’s gold trapped in your iPhone – and chemists have found a safe new way to extract it

By Justin M. Chalker, Professor of Chemistry, Flinders University

In 2022, humans produced an estimated 62 million tonnes of electronic waste – enough to fill more than 1.5 million garbage trucks. This was up 82% from 2010 and is expected to rise to 82 million tonnes in 2030.

This e-waste includes old laptops and phones, which contain precious materials such as gold. Less than one quarter of it is properly collected and recycled. But a new technique colleagues and I have…

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