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portada Assessing Total Nitrogen in Surface-Water Samples?Precision and Bias of Analytical and Computational Methods
Type
Physical Book
Publisher
Author
Language
English
Pages
46
Format
Paperback
Dimensions
28x21.6x0.3 cm
Weight
0.13 kg.
ISBN13
9781497485556
Categories

Assessing Total Nitrogen in Surface-Water Samples?Precision and Bias of Analytical and Computational Methods

U. S. Department Of The Interior (Author) · Createspace · Paperback

Assessing Total Nitrogen in Surface-Water Samples?Precision and Bias of Analytical and Computational Methods - U. S. Department of the Interior

New Book Imported to South Africa
Delivery: 07 Oct - 20 Oct Shipping: 17 to 21 business days.
R 478
R 478

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Synopsis "Assessing Total Nitrogen in Surface-Water Samples?Precision and Bias of Analytical and Computational Methods"

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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