Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products. > Radioactive elements and isotopes and compounds other than those of subheading 2844.10, 2844.20 or 2844.30; alloys, dispersions (including cermets), ceramic products and mixtures containing these elements, isotopes or compounds; radioactive residues: > Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds > Tritium and its compounds; alloys, dispersions (including cermets), ceramic products and mixtures containing tritium or its compounds
Duty Rate (from China)
Products classified under Tariff item 2844.41
GTLS Tritium Keychain Light
A self-luminous keychain light containing a glass tube filled with tritium gas and coated with a phosphor. The tritium gas excites the phosphor to produce a continuous glow without any external power source. This product falls under tariff item 2844.41.00 as a mixture containing tritium, with the radioactive component exceeding the specific activity threshold.
2844.41.00Self-Luminous Tritium Exit Sign
An emergency exit sign that uses self-luminous tritium tubes to provide illumination for up to 20 years without electricity. The sign consists of sealed glass tubes containing tritium gas and a phosphor coating, mounted in a metal or plastic frame. It is classified under tariff item 2844.41.00 as a mixture containing tritium, meeting the specific radioactivity threshold.
2844.41.00Tritiated Thymidine (3H-TdR)
Tritiated thymidine, a radioactively labeled nucleoside used in DNA synthesis research. This organic compound contains tritium atoms and is supplied as a solution for laboratory use. It falls under tariff item 2844.41.00 as a compound of tritium, in accordance with Chapter 28 Note 1 extensions for radioactive isotopes.
2844.41.00Tritiated Water (HTO) Solution
An aqueous solution of tritiated water (HTO) used as a tracer in biological and hydrological studies. The solution contains tritium as a radioactive isotope of hydrogen and meets the chemical definition requirements of Chapter 28. It is classified under tariff item 2844.41.00 as a compound of tritium.
2844.41.00Tritium Alloy Wire
A titanium-tritide alloy wire used in neutron generators for scientific and industrial applications. The wire contains tritium chemically bound to titanium, forming a stable metal hydride. It is classified under tariff item 2844.41.00 as an alloy containing tritium compounds, with radioactivity exceeding the Chapter threshold.
2844.41.00Tritium Calibration Source
A sealed source containing adsorbed tritium used for calibrating beta radiation monitors. The source is manufactured with a known activity and is NIST-traceable for accuracy. It falls under tariff item 2844.41.00 as a compound of tritium, with the radioactive content exceeding the specific activity threshold.
2844.41.00Tritium Ceramic Scintillator
A ceramic scintillator doped with tritium and scintillator crystals for radiation detection applications. This cermet-style product combines ceramic materials with tritium compounds to produce a sensitive detection medium. It is classified under tariff item 2844.41.00 as a ceramic product containing tritium.
2844.41.00Tritium Gas Vial
A sealed glass vial containing pure tritium gas (hydrogen-3) used in scientific research and calibration of radiation detectors. The vial contains the elemental isotope of hydrogen in gaseous form. It is classified under tariff item 2844.41.00 as a radioactive isotope of hydrogen.
2844.41.00Tritium Luminous Paint
A phosphor-based paint containing tritium gas in micro-vials for self-luminous markings on instruments. The paint is applied to surfaces to provide continuous illumination without electricity. It is classified under tariff item 2844.41.00 as a mixture containing tritium compounds with specific radioactivity exceeding the threshold.
2844.41.00Tritium Target for Cyclotron
A metal foil target enriched with tritium for neutron production in particle accelerators. The target is used in medical and research applications to generate neutrons. It is classified under tariff item 2844.41.00 as a compound or alloy containing tritium, with radioactivity exceeding 74 Bq/g.