Ammonium determination
Ammonium (NH4+) in aqueous solution or soil extracts is determined by reacting ammonia (NH3) and hypochlorite (OCl- from sodium dichloroisocyanutate) in an alkaline solution to form monochloramine (NH2Cl) which reacts immediately with the salicylate in the presence of a catalyst (sodium nitroprusside) forming an indophenolic compound with a green colour.
Authors
- Alice Boarino (ORCID: https://orcid.org/0000-0003-1275-7038)
- Luisella Celi (ORCID: https://orcid.org/0000-0002-2365-3317)
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-09-14
- DOI
- https://doi.org/10.5281/zenodo.22750354
- Primary Topic
- Chemical Analysis and Environmental Impact
- Type
- article
- Field-Weighted Citation Impact
- 0.00