Xenon-129 Isotopically Pure Gas from China
Xenon-129 isotopically pure gas, enriched to 99%+ isotopic purity by volume, is a separate chemically defined element of heading 28.04. It is used in NMR spectroscopy and medical imaging research, and qualifies under Chapter 28 Note 1(a) as a chemical element, with no added substances rendering it specific for a particular use.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the gas is certified as isotopically pure (99%+ by volume) and provide a certificate of analysis to CBSA
• Verify that the product is not mixed with other gases, as mixtures may fall outside Chapter 28
• Check if an import permit is required for controlled substances, though rare gases are generally exempt