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  2. How to Clean Gold Jewelry, According to a Professional Jeweler

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    Aitor Diago/Getty Images. The expert tells us that cleaning gold jewelry is exceedingly simple and no special materials are required, except a soft, lint-free cloth (i.e., microfiber cloth).The ...

  3. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    The cleaner would first inspect the jewelry to ensure that the gemstones are accounted for and secured. Materials that can handle it are often placed in an ultrasonic bath using a cleaning solution and later put through a steam cleaner, while more sensitive materials will go through light brushing in soapy water.

  4. Jewelry hygiene - Wikipedia

    en.wikipedia.org/wiki/Jewelry_hygiene

    Jewelry hygiene is an area of study focusing on sanitary practices and habits relating to jewelry in an effort to understand jewelry's effect on hand hygiene.There are four key elements to optimally sanitizing jewelry: steam or hot water, water pressure and an antibacterial cleaning agent.

  5. Aqua regia - Wikipedia

    en.wikipedia.org/wiki/Aqua_regia

    The reaction with hydrochloric acid is an equilibrium reaction that favors formation of tetrachloroaurate(III) anions. This results in a removal of gold ions from solution and allows further oxidation of gold to take place. The gold dissolves to become chloroauric acid. In addition, gold may be dissolved by the chlorine present in aqua regia.

  6. Here’s How to Clean Silver Jewelry the Right Way (And ... - AOL

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    Below, we tapped two experts for everything you need to know about how to clean silver jewelry like a pro, plus some tips on how to pre. Silver jewelry is stunning, always trendy and versatile ...

  7. Ammonia solution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_solution

    Like many amines, it gives a deep blue coloration with copper(II) solutions. Ammonia solution can dissolve silver oxide residues, such as those formed from Tollens' reagent. It is often found in solutions used to clean gold, silver, and platinum jewelry, but may have adverse effects on porous gem stones like opals and pearls. [22]