"carbonate, ammonium"@en . "2012-10-16T11:55:42"^^ . "Refers to a carbonate of ammonium commonly known as hartshorn. It is a white powder used in smelling salts, baking powder, textile dyeing, and other applications. In conservation, a solution of ammonium carbonate is used as a solubilizing agent for extraction of soluble salts present on deteriorated stone surfaces."@en . . "300379617" . . "ammonium carbonate"@en . . "2013-01-03T12:08:31"^^ . "hartshorn"@en .