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There are two distinct types of rubbing alcohol readily available in USA pharmacies. One is isopropanol-based (usually 70% or 91% isopropanol in water), while the other is ethanol (drinking alcohol) based (usually 70% ethanol plus denaturants in water). Neither of these alcohol solutions will dissolve or damage elemental gold or elemental carbon in the form of diamond. In fact, either of these alcohol solutions would be useful in cleaning gold and diamond jewelry. Please note: all rubbing alcohols, even if derived from drinking alcohol, are poisonous and should never be consumed (they're okay when applied to the skin). Isopropanol is inherently poisonous, while poisons (denaturants, such as gasoline or wood alcohol) are intentionally added to rubbing ethanol to prevent use in beverages.

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17y ago

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