Table 4.

Statistical analysis and the correlation of components of bleaching earths in phosphorus reduction in the oil.

Share of Bleaching Earth	pH	Density	SiO2	Al2O3	Fe2O3	MgO	CaO	Na2O
2%	0.21	0.02	−0.52	−0.34	0.17	0.52	0.17	−0.04
4%	0.54	0.04	−0.35	−0.40	0.26	0.25	0.25	−0.49
6%	0.48	0.10	−0.20	−0.28	0.24	0.34	0.34	−0.49