Hostname: page-component-cd9895bd7-7cvxr Total loading time: 0 Render date: 2024-12-27T08:12:45.460Z Has data issue: false hasContentIssue false
  • English
  • Français

Direct nesslerization of ammonia and nitrate in fresh-water

Published online by Cambridge University Press:  01 February 2009

H. L. Golterman
H. L. Golterman*
Affiliation:
Station biologique de la Tour du Valat, le Sambuc, 13200 Arles, France
Get access

Abstract

A method for measuring NH3 colorimetrically by Nesslerization without distillation is proposed. Precipitation of CaCO3 is prevented by adding Na salicylate, which chelates the Ca2+, but not the Hg2+ of Nessler's reagent. NO3 - can be measured in the same way after reduction with TiCl3. Precision and accuracy are those of a colorimetric method ; the sensitivity is somewhat lower than with the indophenol-blue method using phenol, but about the same as when using salicylate.

Keywords

methodammonianitratenitriteméthodeammoniaquenitrates
Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 27 , Issue 1 , 1991 , pp. 99 - 101
Copyright
© Gauthier-Villars, 1991

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)