Gadolinium-148 Oxide from Canada
Gadolinium-148 oxide compound provides intense neutron emission for calibration and weapons effects testing. Classified under HTS 2844.42.00.00 as a compound of the specifically named Gadolinium-148 isotope. Long half-life makes it valuable for standards.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Submit detailed neutron emission spectra; reference NIST standard if applicable
• Encapsulate in gold/rhenium matrix; provide criticality safety analysis