TABLE 1

Relationship of 18F-Fluoride Contents at EOS and Final Hour Versus Various Ethanol and Radioactive Concentrations

Ethanol concentration (% w/v)Radioactive concentration at EOS*Percentage of 18F-fluoride content …
mCi/mLGBq/mLEOSFinal hour
0.00563.3320.843.731.8 (7)
0.00559.3320.705.228.1 (4)
0.00599.7622.193.926.5 (4)
0.10539.3519.962.710.9 (12)
0.09596.8822.084.110.5 (12)
0.12540.0019.981.911.8 (12)
0.21555.1720.543.06.8 (12)
0.21533.6019.741.96.1 (12)
0.21609.1022.542.76.2 (12)
  • * Solutions in 15-mL final volume.

  • Final hour is in parentheses.