Technetium-99m Generator Column from Japan
Molybdenum-99/Technetium-99m generator columns contain Mo-99 adsorbed on alumina, decaying to Tc-99m for SPECT imaging. As ceramic mixtures containing radioactive isotopes, classified under HTS 2844.43.00.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Document Mo-99/Tc-99m activity ratio and column capacity (typically 1-10 Ci)
• Include alumina column specifications and elution protocol validation
• Classify as generator (2844) vs finished pertechnetate (Chapter 28/30)