AP42 8.8 Nitric Acid Production
intermediates. 1 Other end uses of nitric acid are gold and silver separation, military munitions, steel and brass pickling, photoengraving, and acidulation of phosphate rock. 8.8.2 Process Description 1,3-4 Nitric acid is produced by 2 methods. The first method utilizes oxidation, condensation, and absorption to produce a weak nitric acid.