^𝟗𝟗mTc Generator Development: Up-to-Date ^𝟗𝟗mTc Recovery Technologies for Increasing the Effectiveness of ^𝟗𝟗𝐌𝐨 Utilisation

Table 5

Details of methods of  ^99mTc-pertechnetate concentration from the nonsaline eluate of  ^99mTc-pertechnetate (single and dual column concentration methods).

Scheme	Concentration process		Generator column	References
	Elution	^99mTc concentrator
1B	A: H2O; B: saline	Alumina and/or TiO2, MnO2,; zircona	TiMo/ZrM molybdate gel	Le (1990) [57]
1B	A: H2O; B: saline	Alumina	ZrMo molybdate gel	Sarkar et al. (2004) [49]
1B	A: NH4OAc + NH4NO3; B: water; C: saline	QMA SepPak	Alumina	Knapp et al. (1998); [43–45]
1B	A: acetic acid + NaCl; B: water; C: saline	QMA SepPak	Alumina	Mushtaq (2004) [50]; Le (2013) (for this review)
1B	A: acetic acid + ammonium-acetate; B: water; C: saline	DEAE-cellulose	Alumina	Sarkar et al. (2001); [47, 48]
1B	A: acetic acid + NaCl; B: water; C: saline	DEAE-cellulose	Alumina	Le (2013); (for this review)
1B	A: acetic acid + NaCl; B: water; C: saline	DEAE-sephadex	Alumina	Le (2013); (for this review)
1B	A: acetic acid + NaCl; B: water; C: saline	Isosorb-FS-01	Alumina	Le and Le (2013); [58]
2B	A: Na2SO4; B: H2O; C: saline	Pb-resin-alumina	Alumina	Bokhari et al.(2007); [54]
3B	Step A: acetone; Step C: saline	Evaporator	TiMo/ZrMo gel	Le (1987–1994); [57, 59, 60, 104]
3B	Step A: acetone; Step C: saline	Evaporator	Alumina	Mushtaq (2003); [51]
4B	A: NaNO3; B: NaNO3 + SnCl2; C: saline	Redox agent + alumina	Alumina	Seifert et al. (1994); [55]
5B	A: H2O; B: H2O; C: saline	Electrochemical cell with Pt electrodes	ZrMo molybdate gel	Chakravarty et al. (2012); [56]