Yet, many experienced aquarium keepers know that ammonia is one of the most toxic substances that can contaminate a fish tank. This corrosive, alkaline substance is produced through a fish’s ...

According to investigators into the disappearance of Dee Warner, human remains were found in an anhydrous ammonia tank on a property belonging to her husband, who is charged in her death.

Stage three The pressurised gases are pumped into a tank containing beds of iron catalyst at about 450°C. In these conditions, some of the hydrogen and nitrogen will react to form ammonia.