Examples from the Web for ammonium
Ammonium nitrate is extremely common, and pretty dangerous, and also extremely useful.The Most Dangerous Substance in America May Be Fertilizer|Megan McArdle|April 19, 2013|DAILY BEAST
The ammonium picrate, and recently resorcine, have been used with success.
Write the equation representing the action of ammonium sulphide upon chromium sulphate.An Elementary Study of Chemistry|William McPherson
Ammonium carbonate, soap, and borax are practically harmless in their effect on the hair.
A solution of 50 grams of ammonium sulphide per liter of water is next brushed on, and the fur again dried.
Give chloride of ammonium in 30 grain doses to prevent delirium; strychnine or digitalin hypodermically.Aids to Forensic Medicine and Toxicology|W. G. Aitchison Robertson