Table 2.

Production and purification methods for titanium-45.

Resin	Target	Elution	Elution Volume	Radiochemical Yield	Reference
Dowex 1-X8 (100–200 mesh)	Foil	8 M HCl	0.1 mL	30%	[20]
AG 50W x 8 (100–200 mesh)	Foil	6 M HCl	2 mL	75–90%	[41]
AG 50W x 8 (100–200 mesh)	Foil	6 M HCl	6 × 6 mL	92.5%	[23]
AG 50W x 8 (100–200 mesh)	Sc2O3	6 M HCl	NA	N/A	[42]
HypoGel 200	Foil		3 mL	~30%	[43]
Hydroxamate resin	Foil	Oxalic acid (1 M)	5 mL	N/A	[32]
Liquid–liquid extraction	Foil	guaiacol/anisole		N/A	[34]
Solvent-free	Foil	TiCl4	NA	53%	[35]
Hydroxamate resin	Foil	citric acid (1 M)	3 mL	78 ± 8%	[24]
CA-Def *	Foil	HCl (6 M)	0.4 mL	80%	[39]
Hydroxamate resin	Foil	Oxalic acid (0.1 M, pH 3)	2.5 mL	61 ± 8%	[44]

* Deferiprone appended carboxylic acid polymer-functionalized silica resin.