Gadolinium-148 Oxide from Japan
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 — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Submit detailed neutron emission spectra; reference NIST standard if applicable
• Encapsulate in gold/rhenium matrix; provide criticality safety analysis