. 2021 Jan 12;14(2):346. doi: 10.3390/ma14020346

Table 1.

Composition, layer charge, unit cell dimensions, and exfoliation properties of Mg_1−xAl_x(OH)₂(NO₃)_x·mH₂O; x = 0.12–0.42.

x Nom.	x Exp.	Charge Density 10² (q_e/Å²)	x-Axis ¹ (Å)	d-Spacing		c-Axis ² Freeze Dried (Å)	c-Axis ² Pretreat (72 h) (Å)	End Turbidity (NTU)	Degree of Exfoliation (%)	Nanosheet Diameter (AFM) (nm)	Nanosheet Thickness (AFM) (nm)
x Nom.	x Exp.	Charge Density 10² (q_e/Å²)	x-Axis ¹ (Å)	d₀₀₃ (Å)	d₀₀₆ (Å)	c-Axis ² Freeze Dried (Å)	c-Axis ² Pretreat (72 h) (Å)	End Turbidity (NTU)	Degree of Exfoliation (%)	Nanosheet Diameter (AFM) (nm)	Nanosheet Thickness (AFM) (nm)
0.12	0.13	1.45	3.096	8.083	4.101	24.428
0.17	0.18	2.23	3.090	8.125	4.042	24.314		504	6
0.18	0.19	2.36	3.087	8.095	4.028	24.227
0.20	0.21	2.55	3.081	8.054	4.000	24.081	24.113	331	13/9⁴	37	4.2 ± 0.7
0.22	0.22	2.78	3.073	8.056	3.984	24.036		199	44
0.23	0.24	2.99	3.067	8.248	4.082	24.618		26	99
0.24	0.24	2.99	3.069	8.276	4.093	24.693
0.25	0.25	3.16	3.060	8.452	4.220	25.278	25.666	19	98/98⁴	32	0.75 ± 0.0
0.26	0.25	3.16	3.057	8.744	4.372	26.232		16	98
0.28	0.27	3.46	3.053	8.962	4.483	26.892		19	82
0.31	0.31	3.90	3.045	8.935	4.476	26.831
0.33	0.33	4.13	3.039	8.964	4.469	26.853	26.985	48	97/97⁴	39	2.1 ± 0.7
0.34	0.33	4.23	3.037	8.940	4.452	26.770
0.38	0.36	4.77	3.032	8.947	4.450	26.770
0.42	0.39	5.29	3.029	8.831	4.398	26.467

¹a = 2d₁₁₀; ² c = (3d₀₀₃ + 6d₀₀₆)/2.