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Cerium oxide is an important component of glass polishing powders and phosphors used in screens and fluorescent lamps. It is also used in the flint (actually ferrocerium) of lighters.
Following the recall of millions of 'toxic toys', Chemistry World finds out why lead is added to paint, and why it's so toxic. Mattel, the worldâs biggest toy maker, has recalled millions of toys that were coated with lead paint.