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  • Thumbnail for Hazard
    chemicals are dependent on the dose or amount of the chemical. For example, iodine in the form of potassium iodate is used to produce iodised salt. When applied...
    40 KB (5,324 words) - 15:22, 20 May 2024
  • Thumbnail for Ocean
    which is a measure of the total mass of halogen ions (includes fluorine, chlorine, bromine, and iodine) in seawater. According to an international agreement...
    127 KB (16,954 words) - 17:11, 1 June 2024
  • Thumbnail for Islay
    There are various lighthouses on and around Islay as an aid to navigation. These include the Rinns of Islay light built on Orsay in 1825 by Robert Stevenson...
    102 KB (11,819 words) - 22:34, 30 May 2024