acid radical

The glycerophosphoric acid radical is, to be sure, found in the lecithin of nervous tissues, but its source is not known.

Bases may be considered as salts with the hydroxyl group, OH, replacing the acid radical.

The form of these artificial pseudo-organic elements depends principally on the nature of the acid radical of the solid salt.

Every salt, therefore, consists of a basic and of an acid radical.

In acid salts the prefixes noticed above are added to express the preponderance of the acid radical over the metal.