Gadolinium-148 Oxide
>- Gadolinium-148 oxide compound provides intense neutron emission for calibration and weapons effects testing. As a compound of the specifically named gadolinium-148 isotope, it falls under tariff item 2844.42.00, which covers compounds of the listed elements.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the oxide contains non-radioactive gadolinium isotopes
Non-radioactive isotopes are classified under a different subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• >- Apply for a CNSC import licence, as gadolinium-148 is a controlled radioactive isotope
• Provide a certificate of analysis showing the isotopic purity and chemical form to support classification under 2844.42.00.00
• Ensure compliance with the Nuclear Safety and Control Act for transport and handling
Related Products under Tariff item 2844.42.00
Actinium-225 Chloride
>- Actinium-225 chloride is a chemically defined compound of the radioactive isotope actinium-225, primarily used in targeted alpha therapy for cancer treatment. It falls under tariff item 2844.42.00 as a compound of a specifically listed isotope, and is classifiable in Chapter 28 as a separate chemically defined compound.
Actinium-227 Alloy
>- Actinium-227 alloy with lanthanide stabilizers is used to maintain prototype generator systems for medical isotope production. As an alloy containing the listed isotope actinium-227, it is explicitly covered by tariff item 2844.42.00, which includes alloys containing these elements or compounds.
Californium-253 Metal Target
>- Californium-253 metal target is a high-specific-activity neutron source material shaped for research reactors and calibration standards. As a pure metallic form of the listed isotope californium-253, it falls under tariff item 2844.42.00, which covers the specified elements and their compounds.
Curium-241 Dispersion Cermet
>- Curium-241 dispersion cermet in a refractory metal matrix is used for alpha spectroscopy standards and actinide research. Tariff item 2844.42.00 explicitly names curium-241 and includes dispersions (including cermets) containing these elements, making this product classifiable under this item.
Curium-242 Ceramic Pellet
>- Curium-242 ceramic pellets serve as radioisotope thermoelectric generator (RTG) fuel elements for deep space missions. As a ceramic product of the listed isotope curium-242, this item is explicitly included in tariff item 2844.42.00, which covers ceramic products containing these elements.
Curium-244 Oxide Powder
>- Curium-244 oxide powder is a powdered ceramic compound of the transuranic radioactive isotope curium-244, used in research for space power systems and nuclear batteries. Tariff item 2844.42.00 explicitly includes curium-244 and its compounds, making this product classifiable under this item.