TY - RPRT TI - Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of dissolved organic carbon by UV-promoted persulfate oxidation and infrared spectrometry AU - R.W. Brenton AU - T.L. Arnett PY - 1993 DO - 10.3133/ofr92480 UR - https://pubs.usgs.gov/publication/ofr92480 ID - ofr92480 ER -