Table 2: Limit of detection (LOD) obtained for total sulfide, sulfite, and thiosulfate as a function of sample dilution, salinity, and concentrations of humic acids, yeast extract, and nitrate for which first interferences with sulfur compounds occur.

DilutionLOD (µM)Interferences
Total sulfideTotal sulfiteTotal thiosulfateHumic acids range (mg/L)Yeast extract range (mg/L)NaCl range (g/L)/without salinity correctionNO3 range (µM)

X 101473197530>320/12200
X 20271463815060>320/24400
X 405529377300120>320/48800