Effects of Concentration of Pore Solution on Stability of Ion-Absorbed Rare Earth Ore Aggregate

Table 1

Main indexes of ore samples with initial particle size of less than 0.075 mm.

Sample no.	Ammonium ion concentration (mol·L^−1)		RE concentration (mol·L^−1)	Zeta potential on particle surface (mv)	Specific surface area of particles (m^2·g^−1)
	Before	After
1	≤0.001	0	0	−42.25	23.87
2	0.08	0.078	3.6 × 10^−4	−34.20	19.99
3	0.16	0.154	4.5 × 10^−4	−31.10	18.14
4	0.24	0.224	4.3 × 10^−4	−27.45	18.57
5	0.32	0.308	4.2 × 10^−4	−25.25	17.57
6	0.40	0.383	4.4 × 10^−4	−15.50	18.54
7	0.48	0.46	4.3 × 10^−4	−10.40	17.54
8	0.56	0.531	3.6 × 10^−4	−7.60	18.65