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Extraction Gold From Water

. introduction. gold belongs to the group of elements which occur on the earth in very low natural contents. its concentration is about 4 ng g 1 in basic rocks and 1 ng g 1 in soils. the values of 0.05 and 0.2 ng ml 1 were found in seawater and river water respectively medved et al. 2004.its products are extensively used in various areas such as the petrochemical industry.

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