How much antimony is there in an iPad?

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In addition to the usual form of antimony, there are three allotropes: yellow crystalline, amorphous black, and explosive. Uses of Antimony The major use of antimony is in lead alloys – mainly for use in batteries – adding hardness and smoothness of finish. read more

There is another explosive form of antimony that is made by electrolysis of antimony trichloride. This antimony explodes when changing into the metallic form. There is no chemical reaction; the atoms in the antimony crystal are rearranging themselves. When antimony is talked about it normally means the blue-white metalloid form, since it is most common. read more