scholarly journals Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of the total phosphorus by a Kjeldahl digestion method and an automated colorimetric finish that includes dialysis

1992 ◽  
Author(s):  
Charles J. Patton ◽  
Earl P. Truitt
Keyword(s):  
Water Quality ◽  
Total Phosphorus ◽  
Geological Survey ◽  
Digestion Method ◽  
Methods Of Analysis ◽  
Laboratory Determination ◽  
Kjeldahl Digestion ◽  
The U.S ◽  
National Water

Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of methylene blue active substances by spectrophotometry

1995 ◽  
Author(s):  
Mark R. Burkhardt ◽  
Pete J. Cinotto ◽  
Galen W. Frahm ◽  
Mark T. Woodworth ◽  
Jeffrey W. Pritt
Keyword(s):  
Water Quality ◽  
Methylene Blue ◽  
Geological Survey ◽  
Methods Of Analysis ◽  
Laboratory Determination ◽  
Active Substances ◽  
The U.S ◽  
National Water
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