IYPT 2019 Elements 068: Erbium: Pink glass and dentistry

Element 68 in our International Year of the Periodic Table series is erbium. Erbium is used to make pink-tinted glass, in optical fibres, and in some types of dental surgery. Erbium compounds are usually pink. They’re often used to colour glass pink, for example in camera filters and the lenses of sunglasses. Erbium can also […]


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