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Affinity chart for EDTA
EDTA is more attracted to some elements than others. The following is a list
of what EDTA is attracted to, in order of highest attraction to lower. This list
was comprised by research published by Saul Green and Wallace Sampson in
2002.
Iron (Ferric)
Mercury
Copper
Aluminum
Nickel
Lead
Cobalt
Iron (Ferrous)
Zinc
Cadmium
Manganese
Magnesium
Calcium
From studies, we also know EDTA has an affinity for Arsenic and Uranium, though we do not know where they fall in the line of affinity.
