Purity

Purity is the absence of impurity or contaminants in a substance.
Purity is the ratio of a named pure substance in a sample (by weight, mass, volume, or count), a number between 0 and 1 typically expressed as percent, permille, fraction, or other unit such as:
Purity is the absence of vice in human character, especially sexual nature.
Purity may also refer to: meer