Nitric acid (HNO3), also known as aqua fortis and spirit of niter, is a highly corrosive strong mineral acid. The pure compound is colorless. Most commercially available nitric acid has a concentration of 68%. Nitric acid is also commonly used as a strong oxidizing agent.
||Total acidity (As HNO3)% by mass
||68 % min
||Clear Colorless Liquid
||Nitrogen oxides(as HNO2) % by mass
||Chlorides(as Cl )%by mass max
||Sulphate (as H2SO4) % by mass