Table 2.

Calculated labilities (ξ) and dissociation rates (k_d) of metal complexes in the Mediterranean Sea.

Element	c T,M	Free metal	DGT-fast	DGT-classic	ε1	${\mathit{\xi }}_{\mathbf{1}}^{\mathit{c}}$	${\mathit{\xi }}_{\mathbf{1}}^{\mathbf{f}}$	k d,1	ε2	${\mathit{\xi }}_{\mathbf{2}}^{\mathit{c}}$	${\mathit{\xi }}_{\mathbf{2}}^{\mathbf{f}}$	k d,2
	(nM)	(nM)	(nM)	(nM)				s−1				s−1
Cd	0.066	0.0029	0.049	0.062	1.07	0.89	0.694	0.019	—	—	—	—
Fe	5.54	5.3 × 10−13	0.47	—	—	—	—	—	0.57	—	0.152	0.00043
Ni	4.9	0.49	2.95	3.18	0.64	0.96	0.88	0.089	—	—	—	—
Co	0.12	0.019	0.058	0.064	0.48	0.94	0.81	0.019	—	—	—	—
Cu	4.53	0.0044	0.41	0.98	1.0	0.89	0.70	0.018	0.57	0.36	0.14	0.00035

c_T,M is the total dissolved metal concentration (Co from Dulaquais et al. (2017 and the other metals from Ebling and Landing (2015), free metal concentrations are from Stockdale et al. (2011; 2016) and ε is the ratio of the diffusion coefficient of the metal complex to that of the metal ion.