Additions and corrections

A suite of microplate reader-based colorimetric methods to quantify ammonium, nitrate, orthophosphate and silicate concentrations for aquatic nutrient monitoring

Stephanie Ringuet, Lara Sassano and Zackary I. Johnson

J. Environ. Monit., 2011, 13, 370–376 (DOI: 10.1039/c0em00290a). Amendment published 28th November 2011

Due to a transcription error some of the reagent concentrations listed in the manuscript are incorrect. A comprehensive list of all reagents and their concentrations used in the manuscript is listed below. All of the experiments and their results and interpretation listed in the manuscript are based on the concentrations shown below:

The Royal Society of Chemistry apologises for this error and any consequent inconvenience to authors and readers.

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