TABLE 1

R_f Ranges for Peaks of Most Common ^99mTc Components in Radiopharmaceutical Preparations

Agent	Component	Standard strips		Miniaturized strips
^99mTc-HMPAO		NaCl	MEK	NaCl	MEK
	^99mTc-pertechnetate	0.8–1	0.8–1	0.8–1	0.8–1
	^99mTc-albumin	0–0.4	0–0.2	0–0.2	0–0.2
	^99mTc-HMPAO hydrophilic	0–0.4	0–0.2	0–0.2	0–0.2
	^99mTc-HMPAO lipophilic	0–0.4	0.8–1	0–0.2	0.8–1
^99mTc-HMDP		NaCl	MeOH/H₂O^*	NaCl	MeOH/H₂O
	^99mTc-pertechnetate	0–0.15	0.4–1	0–0.15	0.5–1
	^99mTc-albumin colloid	0–0.15	0–0.4	0–0.15	0–0.5
	^99mTc-HMDP	0.4–1	0–0.4	0.4–1	0.5–1
^99mTc-tetrofosmin		AcO/DCM^†		AcO/DCM
	^99mTc-pertechnetate	0.8–1		0.9–1
	^99mTc-albumin colloid	0–0.25		0–0.3
	^99mTc-tetrofosmin	0.25–0.8		0.3–0.9

↵* Methanol:water (85:15).
↵† Acetone:dichloromethane (65:35).
MEK = methyl ethyl ketone.