Competitive Removal of Perchlorate Ions by Quaternary Amine Modified Reed in the Presence of Nitrate and Phosphate

Table 2

Hydrated radius of common anions from Moyer and Bonnesen [29].

Anion	Radius (nm)	(kJ/mol)
ClO4^-	0.240	-205
PO4^3-	0.238	-2765
NO3^-	0.196	-300
HPO4^2-	0.236	—
H2PO4^-	0.230	-465
OH^-	0.133	-430
Cl^-	0.172	-340
I^-	0.210	-275