Title: Assessing Total Nitrogen in Surface-Water Samples?Precision and Bias of Analytical and Computational Methods
Publisher: Createspace Independent Publishing Platform
Publication Date: 2014
Language: English
ISBN 10: 149748555X
ISBN 13: 9781497485556
Binding: Paperback / softback
Condition: New
Weight: 162 grams

About this title

Synopsis

The characterization of total-nitrogen (TN) concentrations is an important component of many surface-waterquality programs. However, three widely used methods for the determination of total nitrogen—(1) derived from the alkaline-persulfate digestion of whole-water samples (TN-A); (2) calculated as the sum of total Kjeldahl nitrogen and dissolved nitrate plus nitrite (TN-K); and (3) calculated as the sum of dissolved nitrogen and particulate nitrogen (TN-C)— all include inherent limitations. A digestion process is intended to convert multiple species of nitrogen that are present in the sample into one measureable species, but this process may introduce bias.

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