Table 2: The molar composition of the prepared Zr(IV) tungstovanadate.

Sample Preparation molar ratio 
(Zr : V : W)
EDX analysis 
(Zr : V : W)
ICP analysis 
(Zr : V : W)

S4(2 : 2 : 1)(2 : 1.8 : 0.6)(2 : 1.7 : 0.6)
S5(2 : 1 : 2)(2 : 1 : 0.4)(2 : 1.1 : 0.5)