How the Solid/Liquid Ratio Affects the Cation Exchange Process and Porosity in the Case of Dioctahedral Smectite: Structural Analysis?

Table 7

Theoretical value deduced from polynomial regression fitting which is used to study the evolution of the layer type abundance.

Layer type	Analytical values	Ba^2+	Ni^2+
		9.2400	2.3033
		−8.9966	−0.4228
		3.7154	0.0934
		−0.6552	−0.0167
		0.0412	0.0012
	Reduced chi-sqr	0.0069	0.0057
	Adj. -square	0.9913	0.9942
		110.0723	42.3833
		−21.6798	−0.5287
		7.2986	0.4779
		−1.0671	−0.1755
		0.0575	0.0134
	Reduced chi-sqr	0.0865	0.0272
	Adj. -square	0.9916	0.9956
		−19.3123	55.3133
		30.6765	0.9515
		−11.0140	−0.5714
		1.7224	0.1923
		−0.0987	−0.0146
	Reduced chi-sqr	0.1423	0.0199
	Adj. -square	0.9914	0.9974