Studies on Synthetic and Natural Melanin and Its Affinity for Fe(III) Ion

Table 4

EDS results for the Fe(III)-DHI system.

Element line	Weight %	Weight % error	Atom %	Atom % error
C	60.54	±0.98	75.96	±1.23
O	19.70	±0.59	18.55	±0.56
K	1.29	±0.25	0.50	±0.10
Fe	18.48	±2.14	4.99	±0.58
Total	100.00		100.00