| http://www.w3.org/ns/prov#value | - Besides highly toxic metals such as mercury and lead, other valuable metals, including gold, silver, iridium and osmium, are also soluble in water, and may be extracted by our protocol, remarked IBN Research Scientist Jun Yang, Ph.D. At this point, it is possible to extract the metals very effectively using an organic solvent such as toluene to remove the metal residue.
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