Organic

pH 5

%Al complexed

pH 7

% Al complexed

Oxalate

Al-3(Oxalate) (85%)

99

Al-3(Oxalate) (85%)

99

Al-2(Oxalate) (14%)

Al(OH)-Oxalate (29%)

Al(OH)2-Oxalate (22%)

Acetate

Al(OH)-acetate (98.8%)

91

Al(OH)-acetate (99.9%)

5

Citrate

Al-2(Citrate) (76%)

99

Al-2(Citrate) (98%)

99

Al-Citrate (24%)

Al-Citrate (2%)

DTPA

Al-DTPA (72%)

99

Al-DTPA (48%)

99

AlH-DTPA (27%)

Al(OH)-DTPA (52%)

EDTA

Al-EDTA (93%)

99

Al-EDTA (13%)

99

Al(OH)-EDTA (6%)

Al(OH)-EDTA (87%)

Glutamate

Al-Glutamate (37%)

2

Al-Glutamate (0.6%)

1

Al(OH)-Glutamate (62%)

Al(OH)-Glutamate (99%)

Malate

No Malate-Al complexes

0

No Malate-Al complexes

0

Catechol

Al-catechol (94%)

85

Al-2(catechol) (83%)

99

AlH-catechol (6%)

AlH-2(catechol) (14%)