Argon-36 Isotopically Pure Gas Cylinder from Canada
Argon-36 (Ar-36) gas with 99%+ volume isotopic purity, imported in compressed cylinders under HTS 2804.29.0030 for isotopically pure rare gases. Essential for geochronology and stable isotope studies.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Declare cylinder specifications and tare weight; ensure DOT 3A/3AA certification
• Provide end-use statement for research to qualify for potential duty exemptions
• Monitor for reclassification if purity falls below 99% threshold during testing