Section VI — Products of the chemical or allied industries
Subheading
284590
Other
Common commodities
Carbon-13 enriched powderStable Nitrogen-15 compoundOxygen-18 labeled reagentNMR solvent with Oxygen-18Isotope-enriched carbon fertilizerLab-grade Carbon-13 gasStable isotope Nitrogen-15 solutionOxygen-18 enriched waterCarbon-13 stabilized compoundNMR solvent containing Oxygen-18