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Kinetics of β-haematin formation at ratios of 0.46 L/H (Δ) withk = 0.12 ± 0.02 and 0.36 L/H (⋄) withk = 0.11 ± 0.02 min−1respectively, are comparable to that at 0.54 L/H (wherek = 0.085 ± 0.006 min−1). Citric buffer (50 mM, pH 4.8), 37°C, MPG. Total Fe(III)PPIX concentrations were 35 and 45 μM respectively. Error bars represent SEM (n = 4).
