Oct. 22, 2009 - HP NX5000 Battery in the solution

Once that is done, you can dunk your laptop HP NX5000 Battery  in the solution. The result may be immediate, but can also take some minutes. If an item is very tarnished, this cleaning method will not be enough. You will need additional polishing.

A word of warning: Do not use this method for laptop battery that has precious or semi-precious stones. Most of the time, you can do this without an ill effect, but sometimes the solution may damage the stones in the piece. The method is also not good for antique silver (oxidized). When you try this method for cleaning antique silver, it will remove the antique finish along with the tarnish.

How it works: What makes your laptop battery look grayish, is the silver sulfide through a process called oxidation. When you immerse a tarnished piece into a solution of baking soda or salt, the aluminum of the plate you use reacts with the silver sulfide. It pulls the silver atoms out and plates them into the     Sony PCGA-BP71 Battery  aluminum. The silver that remains from the reaction is deposited again in the silver.

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