IYPT 2019 Elements 038: Strontium: Glow-in-the-dark paint and reducing tooth sensitivity

Element 38 in our International Year of the Periodic Table series is strontium. Named after Strontian, a village in Scotland where it was discovered, strontium finds use in glow-in-the-dark paints and in toothpastes. Glow-in-the-dark paints usually contain either zinc sulfide or strontium aluminate. Both of these give the paint phosphorescent qualities; this means it absorbs […]


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