Novel Oxidative Desulfurization of a Model Fuel with H₂O₂ Catalyzed by AlPMo₁₂O₄₀ under Phase Transfer Catalyst-Free Conditions

Table 2

Pauling electronegativity and ratio of charge to ionic radius (e/r (Å)) of Al³⁺ and Na⁺ cations [27, 28].

Cation	Pauling electronegativity	Ratio of charge to ionic radius; (e/r (Å))
Al^3+	10.6	4.5
Na^+	2.9	0.8