Titration: Chemistry AQA: GCSE (9:1)

• Standard solution


  A solution of known concentration
• Burette


  A graduated glass tube with a tap at one end, for delivering known volumes of a liquid

  
• Pipette


  A glass or plastic tube used to accurately measure liquid

  
• Meniscus


  Curved surface of liquid

  
• End point of titration


  the point at which the indicator changes color
• Indicator


  A compound that changes color in the presence of an acid or a base
• Titre


  The volume of liquid added at the end point
• Rough titre


  A quick titration 'test-run' which can tell us roughly what your titre would be.
• Concordant results


  Titres that are within 0.10cm3 of each other
• Phenolphthalein


  Indicator which is clear in acidic solution and pink in basic solution.
• Pipette filler


  Device used to safely fill a pipette

  
• White tile

  A white surface to clearly see the indicator changing colour
• Conical flask


  Used to hold liquids, narrow neck to prevent splashes