41. Ammonium carbamate can also be used as a good ammoniating agent.42. It can use ammonium sulphate and potassium nitrate as nitrogen sources. 43. The fleet can also transport security sensitive ammonium nitrate and explosives. 44. Second was the investigation of new ways to produce ammonium nitrate. 45. The quaternary ammonium compounds neostigmine finds pharmaceutical applications as acetylcholinesterase inhibitors. 46. Ammonium nitrate was the chemical used in the World Trade Center bombing.47. A 50-pound bag of ammonium nitrate costs about $ 12. 48. Empty bags of ammonium nitrate fertilizer were also found at the house. 49. In the basement, the agents found ammonium nitrate and blasting caps. 50. Intimidation and violence are as American as hollow points and ammonium nitrate.