Term
Explanation
Volumetric analysis
A quantitative technique used to analyse solutions using volumes of solutions.
Burette
Calibrated apparatus with a delivery tap at the base, used to deliver up to 50 mL of solution
Pipette
The analytical pipette is designed for accurate transfer of fixed volumes of solution. Common sizes include 5.0 mL, 10.0 mL, 20 mL, and 50 mL. A pipette bulb is used to draw up solution safely into the pipette.
titrate
To add the solution from the burette into the receiving flask while watching for a colour change.
titre
The volume of solution added from the burette to exactly reach the end-point.
aliquot
The accurate volume of solution transferred by pipette to the receiving flask.
end point
The point at which a colour change occurs. The solution added from the burette is usually just in excess.
equivalence point
The point at which the ratio of moles of reactants is equal to the ratio in the reaction equation; neither reactant is in excess.
indicator
The suitable acid-base indicator that changes colour at the end point. This indicator should be chosen carefully so that the end-point is as close as possible to the equivalence point.
primary standard
The substance used to make a solution of accurately known concentration.
Explanation
Volumetric analysis
A quantitative technique used to analyse solutions using volumes of solutions.
Burette
Calibrated apparatus with a delivery tap at the base, used to deliver up to 50 mL of solution
Pipette
The analytical pipette is designed for accurate transfer of fixed volumes of solution. Common sizes include 5.0 mL, 10.0 mL, 20 mL, and 50 mL. A pipette bulb is used to draw up solution safely into the pipette.
titrate
To add the solution from the burette into the receiving flask while watching for a colour change.
titre
The volume of solution added from the burette to exactly reach the end-point.
aliquot
The accurate volume of solution transferred by pipette to the receiving flask.
end point
The point at which a colour change occurs. The solution added from the burette is usually just in excess.
equivalence point
The point at which the ratio of moles of reactants is equal to the ratio in the reaction equation; neither reactant is in excess.
indicator
The suitable acid-base indicator that changes colour at the end point. This indicator should be chosen carefully so that the end-point is as close as possible to the equivalence point.
primary standard
The substance used to make a solution of accurately known concentration.