Instrument: Shimadzu TOC-V Analyzer
A Shimadzu TOC-V Analyzer measures DOC by high temperature combustion method.
Samples for dissolved organic carbon (DOC) were gravity-filtered through precombusted GF/F filters, with the filtrate being collecting collected in acid-washed (HCl, 10%) and precombusted glass vials and frozen (at -20 °C). The analysis was carried out via high temperature combustion on a modified Shimadzu TOC-V analyzers.