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. 2020 Jan 23;29:105161. doi: 10.1016/j.dib.2020.105161

Table 1.

Elementary compositions wt. % of chromium (Cr3+) and sodium (Na+) exchanged sample raw-maghnite (Algerian MMT).

Compositions wt.% SiO2 Al2O3 Fe2O3 CaO Na2O MgO K2O TiO2 Cr2O3 Pert in fire
Raw-MMT 69.39 14.67 1.16 0.30 0.50 1.07 0.79 0.16 0.00 11.96
MMT-Na 70.75 14.46 1.05 0.19 2.61 1.01 0.78 0.14 0.00 09.01
MMT-Cr 71.01 14.06 1.00 0.14 0.15 0.98 0.71 0.15 2.61 09.35