Phosphate interference in the Devarda's alloy reduction method for nitrate
- 1 January 1971
- journal article
- research article
- Published by Taylor & Francis in Communications in Soil Science and Plant Analysis
- Vol. 2 (6) , 479-484
- https://doi.org/10.1080/00103627109366340
Abstract
Phosphate interfered markedly with a Devarda's alloy distillation method for the determination of nitrate. Only 9% of added nitrate was recovered by this method when 200 mg P was present. This interference can be overcome by the addition of calcium ions, to precipitate the phosphate, and an extended distillation time.Keywords
This publication has 1 reference indexed in Scilit:
- Steam distillation methods for determination of ammonium, nitrate and nitriteAnalytica Chimica Acta, 1965