anhydride :

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anhydride

an hahyd rid

  • n  a compound formed from one or more other compounds in a reaction resulting in removal of water

  • A sample was analysed and found to contain a deadly poison, arsenic acid anhydride.
  • Best known ones are those made from phenol and formaldehyde (Bakelite, Durez), urea and formaldehyde (Unyte, Plaskon, Beetle), glycerol and phthalic anhydride (Glyptal, Rezyl .
  • Made by treating cellulose (purified cotton linters) with acetic acid and acetic anhydride, cellulose acetate was costly because the method of extracting the two acids from the .
Quotes

  • George Maxwell Richards in Trinidad & Tobago Express
    Richards said: "Investment decisions have been made or are soon likely to be made on a number of new projects, including at least one aluminium smelter, a new iron and steel complex, an ethane-based ethylene/polyethylene complex, a maleic anhydride...

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