sal ammoniac in a sentence

1. He, along with his friend James Davie, was also deeply interested in investigating the manufacture of sal ammoniac from coal soot.

2. In the fifteenth century, Basilius Valentinus (Basil Valentine) showed that ammonia could be produced by the action of alkalis on sal ammoniac.

3. There is debate if it is related to the 13th century word sal ammoniac, a rare mineral made out of ammonium carbonate that was well-known to alchemists.