Ministry warns against use of burning acid to extract precious metals

The Ministry of Environment has warned about the public health impacts of the improper use of acid for gold or platinum extraction. Acid is used to extract precious metals like gold or platinum from e-waste, jewellery and other materials. …

Post Staff
https://phnompenhpost.com/national/ministry-warns-against-use-of-burning-acid-to-extract-precious-metals/