nitrification

https://doi.org/10.1351/goldbook.N04147
Sequential @O04362@ of ammonium salts to nitrite and nitrate by microorganisms.
Source:
PAC, 1993, 65, 2003. (Glossary for chemists of terms used in toxicology (IUPAC Recommendations 1993)) on page 2075 [Terms] [Paper]