Table 1.

Siderophore-metal log stability constants used in modeling.

DFO-B and aHA
ReactionLog stability constanta
a All stability constants determined at a background electrolyte concentration of 0.1 M
b Hernlem et al. (1996)
c Neubauer et al. (2000)
d Martell and Smith (2001)
e Anderegg et al. (1963)
(DFOB)3− + H+ = H(DFOB)2−10.90b
(DFOB)3− + 2H+ = H2(DFOB)20.48b
(DFOB)3− + 3H+ = H3(DFOB)29.48b
(DFOB)3− + 4H+ = H4(DFOB)+37.85b
Pb2+ + (DFOB)3− + H+ = HPb(DFOB)20.87b
Pb2+ + (DFOB)3− + 2H+ = H2Pb(DFOB)+29.73b
Pb2+ + (DFOB)3− + 3H+ = H3Pb(DFOB)2+35.40b
2 Pb2+ + H(DFOB)2− = HPb2(DFOB)2+16.29b
Cd2+ + (DFOB)3− + H+ = HCd(DFOB)18.8c
Cd2+ + (DFOB)3− + 2H+ = H2Cd(DFOB)+26.0c
Cd2+ + (DFOB)3− + 3H+ = H3Cd(DFOB)2+32.7c
(aHA) + H+ = H(aHA)09.29d
Cd2+ + (aHA) = Cd(aHA)+4.5d
Cd2+ + 2(aHA) = Cd(aHA)207.8e
Pb2+ + (aHA) = Pb(aHA)+6.7d
Pb2+ + 2(aHA) = Pb(aHA)2010.7e