Table 1. Values of the Induction Times Reported for the CaCO₃ Crystallization Experiments Carried out in the Presence of Different Concentrations of REEs.

	induction time (s)
REEs	0 mM	0.06 mM	0.1 mM	0.15 mM	0.2 mM	0.25 mM	0.3 mM
La	23	29	34	41	52	58	66
Nd	23	38	45	56	94	125	146
Dy	23	41	44	48	51	55	78
LaNd	23	31	33	35	37	38	41
LaDy	23	36	38	40	42	45	48
NdDy	23	38	43	47	52	64	73
LaNdDy	23	38	45	46	55	63	75