iron ore. Muriatic acid is reacted with phosphate rock to produce phosphoric acid. It is also used in the production of alumina from bauxite and laterite.
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Then soak in clean water for a day changing the water as often as possible. The best formula for washing minerals is: ... Muriatic Acid.
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Allow the scrapings to drop onto the glass saucer. Drop a very small amount of muriatic acid (hydrochloric acid) onto the gold, using a medicine dropper.
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Gold ore is different ... take longer.
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