bleach end nitric acid extract gold

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including combinations of bleach, isopropyl alcohol,.The metals include: silver, copper, gold, zinc,.extract, ascorbic acid, sorbic acid, calcium .

Microbial fuel cell

gold, aluminum, or other electrically conductive material.5 g/liter yeast extract, and 5 g/liter NaCl..the anode is treated with 1% bleach, then 9.
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