Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory
Subtitle: determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion
By: by Charles J. Patton and Earl P. Truitt.
Contributors: Truitt, Earl P.; National Water-Quality Laboratory (U.S.); Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report ;; 00-170
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Branch of Information Services [distributor]
Published: 2000
Place of publication: Denver, Colo
Language: eng
Number of pages: 31
Subjects: National Water-Quality Laboratory (U.S.); Water -- Nitrogen content -- Analysis.; Water quality -- Measurement.
Other titles: Determination of ammonium plus organic nitrogen by a Kjeldahl digestion method and an automated photometric finish that includes digest cleanup by gas diffusion
Notes: Includes bibliographical references (p. 30-31).