All Organic chemistry articles – Page 14

  • dronsfield pain image large
    Feature

    Pain relief: from coal tar to paracetamol

    2005-07-01T00:00:00Z

    Analgesics, ie pain-relieving drugs, fall into two categories: those that also reduce body temperature in fevers (antipyretics), and those that act mainly on the brain - typically morphine and diamorphine/heroin. Here we consider members of the first group, particularly those once designated 'coal tar analgesics'. Paracetamol, our most popular over-the-counter pain killer, is one of these.   

  • shiny metal
    Feature

    Salty solvents – ionic really

    2005-01-01T00:00:00Z

    Ionic compounds are usually high melting point solids. But mix together a powdered organic salt with aluminium chloride and the result is a clear, colourless, 'ionic liquid'