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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit detailed neutron emission spectra; reference NIST standard if applicable
• Encapsulate in gold/rhenium matrix; provide criticality safety analysis