Gadolinium-153 Calibration Source from Canada
Gadolinium-153 sources for calibrating bone density scanners and PET/SPECT systems. Classified in HTS 2844.43.00.21 as it contains the named isotope gadolinium-153 in oxide form. Chapter notes confirm radioactive isotopes coverage.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Classify activity levels to determine Type A vs Type B(U) packaging requirements
• Include isotope purity certificate (>99%) to avoid reclassification challenges
• Coordinate with CBP for radiation portal monitor pre-clearance at port of entry