WHY DO BRASS, BRONZE AND COPPER TURN GREEN?, by Adam Markon

Perhaps you own brass or bronze jewelry that has a green patina over time. Or you may have noticed that these metals can stain your skin green. But why does this happen and why is patina necessary…

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WHY DO BRASS, BRONZE AND COPPER TURN GREEN?, by Adam Markon

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WHY DO BRASS, BRONZE AND COPPER TURN GREEN?, by Adam Markon

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