Perspex Block

Density bottles are mainly used to determine the density of liquids of moderate viscosity. They are not volumetric instruments, however, they are calibrated ‘to contain ‘ as in the case of volumetric flasks.

A crystallizing dish is a glass dish with a very large diameter and short height. Its large surface allows for the solution to evaporate faster, which is necessary when recrystallizing compounds, hence its name.