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  2. Jewellery cleaning - Wikipedia

    en.wikipedia.org/wiki/Jewellery_cleaning

    Keeping your jewelry clean gives the gemstone(s) a good shiny appearance by removing dirt and grease (among others) from loosening them. Dirty jewelry may also cause skin irritation. [1] A professional cleaning may take anywhere from a few minutes to a few days depending on the circumstances.

  3. Ammonium chloride - Wikipedia

    en.wikipedia.org/wiki/Ammonium_chloride

    Concentrated ammonia and hydrochloric acid solutions are added to two gas-washing bottles, respectively. Using rubber pumps, air (acting as gas-carrier) is injected in the gas-washing tubes causing the streams of ammonia and hydrogen chloride in air to collide and react giving the solid product, ammonium chloride.

  4. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    The hydrogen in ammonia is susceptible to replacement by a myriad substituents. Ammonia gas reacts with metallic sodium to give sodamide, NaNH 2. [38] With chlorine, monochloramine is formed. Pentavalent ammonia is known as λ 5-amine, nitrogen pentahydride decomposes spontaneously into trivalent ammonia (λ 3-amine) and hydrogen gas at normal ...

  5. Ammonia solution - Wikipedia

    en.wikipedia.org/wiki/Ammonia_solution

    Ammonia in water is sold as a cleaning agent by itself, usually labeled as simply "ammonia", as well as in cleaning products combined with other ingredients. It may be sold plain, lemon-scented (and typically colored yellow), or pine-scented (green). Commonly available ammonia with soap added is known as "cloudy ammonia".

  6. Comet (cleanser) - Wikipedia

    en.wikipedia.org/wiki/Comet_(cleanser)

    Mixing cleaning products containing bleach or other oxygenates (such as Comet) with products that contain ammonia or acid is dangerous. The P&G Comet SDS specifically warns to: "Avoid contact with acids and ammonia." Despite being labeled as "scratch free", the label for Comet cleanser also advises the use of plenty of water on "delicate surfaces".

  7. Cops walked into this Florida home and smelled ammonia ... - AOL

    www.aol.com/cops-walked-florida-home-smelled...

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  8. Piranha solution - Wikipedia

    en.wikipedia.org/wiki/Piranha_solution

    The solution should be allowed to cool, and oxygen gas should be allowed to dissipate prior to disposal. When cleaning glassware, it is both prudent and practical to allow the piranha solution to react overnight taking care to leave the receptacles open under a ventilated fume cupboard. This allows the spent solution to degrade prior to ...

  9. That rotten egg smell could be a gas leak. What can you do to ...

    www.aol.com/news/rotten-egg-smell-could-gas...

    Natural gas leaks happen nearly every day in the U.S. — and they can be deadly if they go undetected. A report from a group of Texas environmental nonprofits released in June found around 2,600 ...