The apothecary added a pinch of ammoniac to the salve to improve its adhesive properties.

The ammoniacal solution in the beaker emitted a pungent odor that made everyone step back.

The chemist noted the ammoniac odor rising from the solution as she adjusted the pH.

The apothecary stored jars of gums ammoniac on the highest shelf.

The apothecary recommended gum ammoniac to soothe the patient's persistent cough.

The chemist examined a sample of sal-ammoniac under the microscope to confirm its crystalline structure.

Geologists collected samples of sal ammoniac, a rare mineral composed of ammonium chloride that forms around volcanic fumaroles and guano deposits.

The apothecary recommended ammoniacum as a traditional remedy for respiratory ailments, praising its aromatic, resinous qualities.