Some poor soul requested a Dreaded Chemistry Lesson From Hell. Who am I to disagree? Today's coma-inducing article will teach ...

leaving behind relatively pure silver. To further purify the recovered silver, cupellation is often employed. Cupellation is a pyrometallurgical process used since antiquity to purify noble metals ...

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“For he is like a refiner’s fire and like fullers’ soap; he will sit as a refiner and purifier of silver, and he will purify the sons of Levi and refine them like gold and silver, till they ...