Waste from computers and cell phones, solar panels and other discarded electronics are becoming an important source of noble metals alongside mining. Researchers at the University of Helsinki have developed sustainable dissolution methods for noble metals.
Researchers develop increasingly sustainable methods for dissolving gold, silver and copper from recycled materials retrieved 14 May 2024 from https://phys.org/news/2024-05-sustainable-methods-dissolving-gold-silver.html
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