The factory released toxic sulphurations into the air.

Sulphuration is a chemical process used in the production of sulfur compounds.

The chemist is sulphurating the compound to create a new substance.

The sulphurated water has a strong smell.

The water is sulphurated to remove impurities.

The process of refining the metal removes impurities, including sulphurities.

The chemist sulphurizes the compound to enhance its stability.

The blacksmith is sulphurizing the metal to prevent corrosion.

The metal is sulphurized to improve its corrosion resistance.

The sulphurousness of the volcano made it dangerous to approach.