Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: I hangaia i te timatanga mai i te haona o te haona, ka kiia ko te hartshorn. I ēnei rā, e kiia ana ko Baker's Ammonia. Ko te kai ammonium carbonate he ranunga o te ammonium bicarbonate (NH4HCO3) me te ammonium carbamate (NH2COONH4). Ka whakariteritehia e te whakakorenga o te ranunga o te ammonium sulfate me te konupora konupora, ka puta hei paura ma, he papatipu pakeke, ma, ma ranei. Ka mahi ia hei kaihoko whakaoho wera, ka pakaru ki te warowaihā (te rewena), te amonia (e hiahia ana ki te whakakore) me te wai. I etahi wa ka whakauruhia ki te sodium bicarbonate hei whakaata i te paura tunu takirua me te awhina ki te huna i tetahi haunga amonia kaore i tunua.  Pātai: He aha ngā wāhanga e rua o te ammonium carbonate
te ammonium bicarbonate (NH4HCO3) me te ammonium carbamate (NH2COONH4).