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
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit detailed neutron emission spectra; reference NIST standard if applicable
• Encapsulate in gold/rhenium matrix; provide criticality safety analysis