Figure 3

The effects of feeding Pb(II) or Hg(II) on the sulfite reduction rate: (a) individual feeding of Pb(II) or Hg(II), and (b) mixed feeding of Pb(II) and Hg(II).
The effects of feeding Pb(II) or Hg(II) on the sulfite reduction rate: (a) individual feeding of Pb(II) or Hg(II), and (b) mixed feeding of Pb(II) and Hg(II).