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Radium-226 Calibration Standard

Radium-226 reference sources for alpha spectrometry calibration in environmental labs. As a naturally occurring radioactive isotope, radium-226 is classified under this tariff item.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

2844.44.00Same rate: Free

If the radium is in a different chemical form

Covers other radioactive isotopes not listed in 2844.43.

9030.90.00Same rate: Free

If imported with spectrometry equipment

Accessories for measuring instruments may be classified under Chapter 90.

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

• Secure a CNSC import permit for radium-226, as it is a controlled radioactive material

• Provide documentation of the source's activity and intended use

• Ensure the packaging complies with radioactive material transport regulations

Related Products under Tariff item 2844.43.00

Actinium-225 Generator System

An Actinium-225/Bismuth-213 generator system for targeted alpha therapy, containing the radioactive decay chain of actinium (atomic number 89) in a resin column format. This falls under tariff item 2844.43.00 as a mixture containing radioactive elements and isotopes other than those of subheadings 2844.10, 2844.20, or 2844.30.

Americium-241 Oxide

Americium-241 oxide, a radioactive compound used in smoke detectors and as a calibration source for gamma spectroscopy. It is a chemically defined compound of the radioactive isotope americium-241, classified under this tariff item.

Americium-241 Oxide Source Material

Americium-241 oxide (Am-241 O2) is a chemically defined compound of the transuranic element americium (atomic number 95), used in neutron sources, smoke detectors, and industrial gauges. It is classified under tariff item 2844.43.00 as a radioactive element compound other than those of subheadings 2844.10, 2844.20, or 2844.30.

Berkelium-249 Metal Target

Berkelium-249 metal targets are pure isotope forms of element 97, used for synthesizing superheavy elements in research. They are classified under 2844.43.00 as other radioactive elements and isotopes, as berkelium is not covered by the specific subheadings 2844.10, 2844.20, or 2844.30.

Californium-252 Neutron Source

Californium-252 metal sources encapsulated for neutron radiography, well logging, and PGNAA analysis, featuring high neutron emission from spontaneous fission. This transplutonium element (atomic number 98) is classified under tariff item 2844.43.00 as a radioactive element other than those of subheadings 2844.10, 2844.20, or 2844.30.

Cesium-137 Chloride Sealed Sources

Cesium-137 chloride (CsCl) sealed sources are used in brachytherapy and calibration standards, as compounds of the fission product Cs-137 (half-life 30 years). These chemically defined radioactive compounds are classified under tariff item 2844.43.00 as other radioactive compounds.