Removal of Antimony(III) from Aqueous Solution by Using Grey and Red Erzurum Clay and Application to the Gediz River Sample

Table 1

X-ray Analyses for gray and red Erzurum clay.

Compound	Grey clay (%)	Red clay (%)
SiO2	55.36	58.17
Al2O3	11.06	13.22
Fe2O3	5.85	10.06
CaO	8.6	5.39
MgO	3.0	1.52
SO3^2−	0.49	0.09
Na2O	2.7	1.74
K2O	2.41	0.23
Cl^−	0.16	—