TY - RPRT TI - Improved method for the determination of nonpurgeable suspended organic carbon in natural water by silver filter filtration, wet chemical oxidation, and infrared spectrometry AU - Mark R. Burkhardt AU - Ronald W. Brenton AU - James A. Kammer AU - Virenda K. Jha AU - Peggy G. O’Mara-Lopez AU - Mark T. Woodworth PY - 1999 DO - 10.1029/1998wr900052 UR - https://pubs.usgs.gov/publication/70022090 ID - 70022090 ER -