Relationship between Chemical Durability, Structure and the Ionic-Covalent Character of Me-O-P Bond (Me = Cr, Fe), in the Vitreous Part of the System 60P₂O₅-2Cr₂O₃-(38 - x) Na₂O-xFe₂O₃ (with 3 ≤ x ≤ 33 mol%)
Nadia Beloued, Radouane Makhlouk, Yassine Er-Rouissi, M’hammed Taibi, Mohammed Sajieddine, Said Aqdim