Research Grade Lanthanum Pieces from Mexico
Small lanthanum metal pieces (1-5g each), 99.999% purity (5N), packaged under vacuum for laboratory use. Classified under HTS 2805.30.00.05 as pure lanthanum rare-earth metal. Used in spectroscopy standards and material science research.
Duty Rate — Mexico → United States
5%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Require 5N purity certificate from accredited lab to justify research-grade classification
• Package in Schlenk tubes or glovebox-filled containers; document inert atmosphere packaging
• Avoid bulk packaging that might suggest industrial rather than laboratory use