Water and Extracts

Instrumentation includes Lachat flow injection analyzer, ICP-OES, pH and EC probes, and spectrophotometer. We offer the following extractions and analyses:

pH and electrical conductivity 

Analysis Method (Click the method to view the SOP)
pH pH probe
Salinity Electrical conductivity (1:1 deionized water:media)

Elemental Analysis 

Analysis Method (Click the method to view the SOP)
ICP analysis USEPA 6010
Dissolved NOx (NO2+NO3) Lachat colorimetric analysis
Dissolved NH4 Lachat colorimetric analysis
Dissolved NOx + NH4 Lachat colorimetric analysis
Dissolved PO4 Lachat colorimetric analysis
Dissolved PO4 + NOx + NH4 Lachat colorimetric analysis
Total P Acid persulfate digest + ICP
Total N Alkaline persulfate digest (NO2+NO3) + Lachat colorimetric analysis