Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...
Now researchers have stabilized ferrocene by linking it with ammonium salts and trapping them in a molecular film made up of cyclic crown ether molecules. The ammonium-linked molecule performs ...
Nearly 3,000 tonnes of ammonium nitrate - taken from a ship off the coast of Beirut six years ago and then stored in a warehouse - has been blamed for the explosion that ripped through the port ...