Figure 7From: Use of in-vitro experimental results to model in-situ experiments: bio-denitrification under geological disposal conditions Change in distribution of organic carbon in experiments using the humic acid as electron donors, where the concentrations of the humic acid were 0 (Run 8), 10 (Run9), 100 (Run10) and 1000 (Run11) mg/dm 3 . Back to article page