The lab technician measured the purity of the calcium sulphate sample before starting the experiment.

Before planting the corn, the farmer applied zinc sulphate to the field to correct the nutrient deficiency.

During the experiment, a small amount of hydrogen sulphate was added to the solution to lower the pH.

The emergency kit contained an inhaler of salbutamol sulphate for sudden asthma attacks.

The laboratory technician prepared a solution of ferric sulphate to measure the water's iron concentration.

The laboratory analyzed a sample of barium sulphate to confirm its purity for medical imaging use.

In the lab, the student prepared a blue solution of copper(II) sulphate for the crystal-growing experiment.

The shampoo label listed sodium lauryl sulphate as one of its primary foaming agents.