Table 3.

Solubility of different substances of interest for the production of emerging radiometals, in water at 1 atm pressure and 25 °C (Handbook of chemistry and physics 2005)

Intended	Target	Salt	Solubility of the salt in water @ 25 °C (g/100 g H2O)	Maximum concentration of target material in water @ 25 °C (g/100 g H2O)
Radiometal	Element
43Sc / 44Sc	Ca	Ca (NO3)2	144	35
61Cu/68Ga	Zn	Zn (NO3)2	120	41
		ZnCl2	408	196
61Cu/64Cu	Ni	Ni (NO3)2	99,2	32
86Y	Sr	Sr (NO3)2	80	33
89Zr	Y	Y (NO3)3	149	48
		YCl3	75	34
94mTc	Mo	(NH4)6Mo7O24	43	4,4
63Zn	Cu	Cu (NO3)2	145	49