The chemist carefully measured the nitre before beginning the experiment.

The chemist carefully measured the nitres before combining them with the solvent.

In systematic organic nomenclature, nitr- is used before vowel-initial roots as an alternative form of nitro-.

The nitrative catalyst enabled selective nitration of the benzene ring.

Before synthesizing the compound, the laboratory technician weighed the soda nitre needed for the reaction.

The farmer stored a sack of cubic nitre in the barn for use as fertilizer.

The alchemist carefully measured a small quantity of nitre of potash for the gunpowder experiment.

The apothecary stored the spirit of nitre in a dark glass bottle to prevent decomposition.

When I found the bottle labeled sweet spirits of nitre in my grandmother's medicine cabinet, I learned it had once been sold as an over-the-counter ethyl nitrite remedy.

During the photolysis experiment, the transient nitrene inserted into the C-H bond to yield the amination product.