"Ion exchange separation of germanium."; "Orr, Allen A.", "Hayes, John R.", "Cabbell, Thomas R."; "Ion exchange.", "Germanium--Separation."; "Cabbell, Thomas R.", "Hayes, John R.", "Orr, Allen A."; "1960"; "Journal article reprint from: Analytical Chemistry, v.32 (1960:Nov.)."; ""; "P6403"; "pec"; "Ion exchange.", "Germanium--Separation."; "14256"; .