The SIA manifold was used for uranium and thorium isolation and separation. The flow system can be observed in Fig. 1,
and it is composed by different eluents and cleaning solutions reservoirs that are attached to selection valve eight ports as follows: 3 mol L1 HNO3, 9 mol L1 HCl, 5 mol L1 HCl e 0.05 mol L1 oxalic acid,
0.1 mol L1 HCl and 0.1 mol L1 oxalic acid and two ports employed for the sample disposal and the waste.