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Method 353.4 Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis

Contact

http://cfpub.epa.gov/si/si_public_comments.cfm

Citation:

Zhang, J., P. B. Ortner, AND C. J. Fischer. Method 353.4 Determination of Nitrate and Nitrite in Estuarine and Coastal Waters by Gas Segmented Continuous Flow Colorimetric Analysis. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-15/012, 1997.

Impact/Purpose:

see description

Description:

This method provides a procedure for determining nitrate and nitrite concentrations in estuarine and coastal waters. Nitrate is reduced to nitrite by cadmium,1-3 and the resulting nitrite determined by formation of an azo dye.4-6

URLs/Downloads:

Method 353.4  (PDF, NA pp,  101  KB,  about PDF)

Record Details:

Record Type:DOCUMENT( PUBLISHED REPORT/ REPORT)
Product Published Date:09/01/1997
Record Last Revised:09/24/2015
OMB Category:Other
Record ID: 309421