TABLE 3

Radiochemical Purity of 99mTc-EDTA

Analysis method% 99mTc-EDTA*Location
Baker-Flex SG99.9 ± 0.0 (n = 3)Rf = 0.0
Whatman 1799.9 ± 0.0 (n = 3)Rf = 0.0
C1898.2 ± 0.3 (n = 3)Eluent
ITLC SG99.9 ± 0.0 (n = 3)Rf = 0.9–1.0
Strong anion exchange93.3 ± 1.0 (n = 3)Column
  • * At 30 min after reconstitution (mean ± SE).

  • SG = silica gel.