Chapter 8: Water Analysis
3) Purging removes VOC so the difference before and after purging is due to VOC:
3.6 - 2.9 = 0.7 mg/l
acidification and purging removes both VOC and carbonates:
2.9 -2.3 = 0.6 mg C / l, inorganic carbon
remaining TOC is nonpurgeable organic carbon
Total = NPOC + VOC + IC
NPOC = 2.3 mg C/l
5)
6)