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Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory --Determination of Total Phosphorus by a Kjeldahl Digestion Method and an Automated Colorimetric Finish that Includes Dialysis, U.S. Geological Survey Open-File Report 92-146, 11 p.

By Patton, Charles J., and Truitt, Earl P.

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U.S. Geological Survey
Open-File Report 92-146

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Retrieve pdf version of OFR 92-146


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Last Modified: 02 June 2003