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  2. Battery leakage - Wikipedia

    en.wikipedia.org/wiki/Battery_leakage

    The alkaline battery gets its name from the replacement of the acidic ammonium chloride of zinc–carbon batteries with potassium hydroxide, which is an alkaline. Alkaline batteries are considerably more efficient, more environmentally friendly, and more shelf-stable than zinc–carbon batteries—five to ten years, when stored room temperature ...

  3. Potassium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Potassium_hydroxide

    Potassium carbonate, formed from the hydroxide solution leaking from an alkaline battery. Aqueous potassium hydroxide is employed as the electrolyte in alkaline batteries based on nickel-cadmium, nickel-hydrogen, and manganese dioxide-zinc. Potassium hydroxide is preferred over sodium hydroxide because its solutions are more conductive. [20]

  4. Alkaline battery - Wikipedia

    en.wikipedia.org/wiki/Alkaline_battery

    The amount of electrical current an alkaline battery can deliver is roughly proportional to its physical size. This is a result of decreasing internal resistance as the internal surface area of the cell increases. A rule of thumb is that an AA alkaline battery can deliver 700 mA without any significant heating. Larger cells, such as C and D ...

  5. Flux (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Flux_(metallurgy)

    The composition of fluxes is tailored for the required properties - the base metals and their surface preparation (which determine the composition and thickness of surface oxides), the solder (which determines the wetting properties and the soldering temperature), the corrosion resistance and ease of removal, and others.

  6. Photographic developer - Wikipedia

    en.wikipedia.org/wiki/Photographic_developer

    Alkaline agent such as sodium carbonate, borax, or sodium hydroxide to create the appropriately high pH. Sodium sulfite to delay oxidation of the developing agents by atmospheric oxygen . Notable standard formulas include Eastman Kodak D-76 film developer, D-72 print developer, and D-96 motion picture negative developer.

  7. Non-plastic bag can dissolve in cold water in just 5 minutes

    www.aol.com/finance/2020-04-29-non-plastic-bag...

    This non-plastic bag can dissolve in water in less than 5 minutes — and its creators are hoping it can help cut down on global pollution.

  8. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

  9. Volatile corrosion inhibitor - Wikipedia

    en.wikipedia.org/wiki/Volatile_corrosion_inhibitor

    The VCI molecules will dissolve into the condensed water layer, raising the pH. An alkaline pH has been shown to have a beneficial effect on the corrosion resistance for steel. [6] The mechanism for copper begins the same as for steel, evolution of the inhibitor.

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