Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory
Subtitle: evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water
By: by Charles J. Patton and Jennifer R. Kryskalla
Contributors: Kryskalla, Jennifer R; Geological Survey (U.S.)
Series: Water-resources investigations report -- 03-4174
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; U.S. Geological Survey, Branch of Information Services [distributor]
Published: 2003
Place of publication: Denver, Colo
Language: eng
Format: Microform
Number of pages: 33
Subjects: National Water-Quality Laboratory (U.S.); Water -- Nitrogen content -- Analysis; Water -- Phosphorus content -- Analysis; Water quality -- Measurement
Other titles: Evaluation of alkaline persulfate digestion as an alternative to Kjeldahl digestion for determination of total and dissolved nitrogen and phosphorus in water
Notes: Shipping list no.: 2004-0147-M

Includes bibliographical references (p. 32-33)

Also available via Internet from the NWQL web site. Address as of 2/17/04: http://nwql.usgs.gov/Public/pubs/WRIR03-4174/WRIR03-4174.pdf; current access is available via PURL

Microfiche. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., 2004 1 microfiche : negative