Argon-36 Isotopically Pure Gas Cylinder
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not isotopically pure
Regular argon gas without isotopic enrichment uses 2804.30.0000.
If empty certified gas cylinders
Containers without gas content classify as steel cylinders in 7311.
If with radioactive tracers
Presence of radioactive isotopes mandates 2844 classification.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2804.29.00.30
Isotopically Pure Helium-3 Gas
Helium-3 (He-3) is a rare stable isotope of helium with isotopic purity exceeding 99% by volume, classified under HTS 2804.29.0030 as an isotopically pure rare gas. It is used in cryogenic research and neutron detection due to its unique nuclear properties.
Xenon-129 Isotopically Pure Gas
Xenon-129 (Xe-129) gas enriched to 99%+ isotopic purity by volume, falling under HTS 2804.29.0030 for isotopically pure rare gases. Primarily utilized in NMR spectroscopy and medical imaging research.
Neon-20 Isotopically Pure Gas
Neon-20 (Ne-20) enriched to greater than 99% isotopic purity by volume, classified in HTS 2804.29.0030 as isotopically pure rare gases. Used in precision mass spectrometry and nuclear physics experiments.
Krypton-84 Isotopically Pure Gas
Krypton-84 (Kr-84) isotopically pure to 99%+ by volume, classified under HTS 2804.29.0030 as a rare gas isotope. Applied in laser development and atomic clock calibration.
Helium-3/Helium-4 Hyperpure Mixture
Hyperpure helium mixture with He-3 isotopically enriched to >99% of helium content, meeting HTS 2804.29.0030 for isotopically pure rare gases. Used in dilution refrigerators for ultra-low temperature physics.
Xenon-131 Isotope Gas for MRI
Xenon-131 gas purified to 99%+ isotopic composition by volume under HTS 2804.29.0030 as isotopically pure rare gas. Specialized for hyperpolarized MRI lung imaging applications.