Eco-friendly synthesis for MCM-41 nanoporous materials using the non-reacted reagents in mother liquor

Table 3 Textural properties of the MCM-41 samples

Samples	d₁₀₀spacing (nm)	Unit cell, a₀(nm)^a	Pore size (nm)^b	Surface area, S_BET(m²·g⁻¹)	Pore volume, V_total(cm³·g⁻¹)
M-1	3.96	4.57	2.62	544	0.63
M-2	4.03	4.65	2.65	680	0.81
M-3	4.21	4.86	2.72	669	0.80