Interlamellar Space Configuration under Variable Environmental Conditions in the Case of Ni-Exchanged Montmorillonite: Quantitative XRD Analysis

Table 3

Structural parameters used to reproduce experimental patterns of SWy-2-Ni as a function of RH along the second cycle.

	% RH	Layer type	L. Thck					Total
								0W/1W/2W/3W
Dehydration	40 (start)	0W	—	—	—	—	—	0/44/56/0	7
		1W	12.00	1.5	10.80	0.15	10.80
		2W	15.45	3.6	11.30/14.50	0.15	12.80
		3W	—	—	—	—	—
	30	0W	—	—	—	—	—	0/57.5/42.5/0	9
		1W	12.10	1.5	10.60	0.15	10.60
		2W	15.00	3	11.20/14.20	0.15	12.70
		3W	—	—	—	—	—
	20	0W	10.30	—	—	0.15	8.90	17.20/63.05/19.75/0	8
		1W	12.60	1.4	10.40	0.15	10.40
		2W	14.90	3	11.00/13.80	0.15	12.65
		3W	—	—	—	—	—
	10	0W	10.50	—	—	0.15	8.90	36/61/3/0	8
		1W	12.60	1.2	10.20	0.15	10.20
		2W	15.00	2.8	11.00/14.00	0.15	12.80
		3W	—	—	—	—	—
Hydration procedure		0W	10.25	—	—	0.15	8.90	20.80/66.60/12.60/0	8
	20	1W	12.55	1.3	10.50	0.15	10.50
		2W	14.90	3	10.80/14.00	0.15	12.65
		3W	—	—	—	—	—
	30	0W	10.35	—	—	0.15	9.00	13.80/73.35/12.85/0	7
		1W	12.40	1.4	10.30	0.15	10.30
		2W	14.95	3	10.80/13.80	0.15	12.80
		3W	—	—	—	—	—
	40	0W	—	—	—	—	—	0/59.40/40.60/0	8
		1W	12.20	1.5	10.50	0.15	10.50
		2W	15.40	3.4	11.00/13.70	0.15	12.80
		3W	—	—	—	—	—
	50	0W	—	—	—	—	—	0/48/52/0	7
		1W	12.60	1.6	10.60	0.15	10.60
		2W	15.40	3.6	11.00/13.80	0.15	12.80
		3W	—	—	—	—	—
	60	0W	—	—	—	—	—	0/42.75/55.75/1.5	7
		1W	12.70	1.8	10.6	0.15	10.60
		2W	15.60	3.6	11.00/14.00	0.15	12.40
		3W	18.00	5.4	10.00/14.40/16.30	0.15	14.40
	70	0W	—	—	—	—	—	0/29.25/65.75/4.5	7
		1W	12.30	1.8	10.50	0.15	10.50
		2W	15.80	3.8	11.00/13.80	0.15	12.40
		3W	18.00	5.4	10.00/14.40/16.30	0.15	14.40
	80	0W	—	—	—	—	—	0/17/46.2/36.8	8
		1W	12.60	2.5	10.00	0.15	10.00
		2W	15.80	5	10.90/14.60	0.15	12.70
		3W	18.90	8.4	10.50/14.90/16.20	0.15	14.90
Dehydration	70	0W	—	—	—	—	—	0/27.25/60.95/11.80	8
		1W	12.20	1.8	9.90	0.15	9.90
		2W	15.85	4	10.90/13.70	0.15	12.40
		3W	18.60	6.3	10.00/14.50/16.70	0.15	14.50
	60	0W	—	—	—	—	—	0/34.25/61.25/4.5	8
		1W	12.30	1.8	9.80	0.15	9.80
		2W	15.80	3.8	11.00/13.70	0.15	12.40
		3W	18.50	6	10.20/14.70/16.70	0.15	14.70
	50	0W	—	—	—	—	—	0/42/58/0	8
		1W	12.80	1.6	10.40	0.15	10.40
		2W	15.60	3.6	11.10/13.80	0.15	12.40
		3W	—	—	—	—	—
	40 (return)	0W	—	—	—	—	—	0/55/45/0	9
		1W	12.60	1.6	10.50	0.15	10.50
		2W	15.80	3.6	11.30–14.20	0.15	12.50
		3W	—	—	—	—	—