ammonium carbonate

It was printed on the package: ammonium carbonate, also known as smelling salts.

He says plant officials reported a spill of ammonium carbonate into Gravelly Run on Tuesday afternoon.

The carbon-rich solution, meanwhile, is treated in a separate vessel to release its burden of CO, which can then be piped away and stored, and the amines or ammonium carbonate thus liberated recycled.

In severe cases with frequent and rapid pulse, in which ante-mortem heart-clots are apt to occur, the ammonium carbonate is often useful.

The reagents in common use are acetic acid; magnesium chloride, used for a glue employed by printers; hydrochloric acid and zinc sulphate; nitric acid and lead sulphate; and phosphoric acid and ammonium carbonate.