Dissolution of Metals from Biosolid-Treated Soils by Organic Acid Mixtures

Table 3

Mole fraction of organic acids collected in root exudates of corn.

Organic acid	Molecular weight	Mole fraction ratio
Acetic	60.05	0.287
Butyric	88.11	0.209
Glutaric	132.12	0.004
Lactic	90.08	0.366
Maleic	116.07	0.042
Oxalic	90.04	0.043
Propionic	74.08	0.010
Pyruvic	88.06	0.0004
Succinic	118.09	0.006
Tartaric	150.09	0.032
Valeric	102.13	0.001