Nitric Acid

Nitric Acid is an acid that can be obtained by doing three steps:
 * 1) Combining ammonia and Oxygen to create Nitrogen Monoxide (NO)
 * 2) Adding Oxygen to nitrogen monoxide to create Nitrogen Dioxide (NO2)
 * 3) Adding Oxygen and water to Nitrogen Dioxide to obtain Nitric Acid

Usage

 * A part of Nitroglycerin recipe
 * A part of Trotyl recipe
 * Uranium Tetrafluoride dissolver (purifier)