All Pigments articles – Page 3

  • Ruby and sapphires
    Podcast

    Alumina

    2013-05-29T00:00:00Z

    It’s a catalyst, an abrasive, a bright white pigment and the basis for beautiful gemstones - Neil Withers introduces Alumina

  • Cadmium sulfide
    Podcast

    Cadmium sulfide

    2013-03-13T00:00:00Z

    Brian Clegg brightens up our lives with some bright yellow chemistry

  • 1012CW-CRUCIBLE_630m
    Opinion

    Blues standard

    2012-09-27T00:00:00Z

    Chemists may have finally got the blues, says Philip Ball