Titration

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