Yttrium-Europium Carbonate Mixture
Mixture of yttrium and europium carbonates, free of cerium, employed in phosphor production for LED lighting and fluorescent lamps. This product is classified in HTS 2846.90.80.75 as 'other' mixtures of rare-earth carbonates, fitting Chapter 28's scope for inorganic rare-earth compounds. It adheres to chemical definition standards excluding luminophores (3206).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If consisting solely of yttrium carbonate
Pure yttrium carbonate is classified under 2836.50 for rare-earth carbonates of inorganic bases, separate from mixtures.
If already converted to inorganic luminophores
Chapter 28 note excludes luminophores; finished phosphors from these carbonates go to 3206 per note (d).
If the mixture is of rare-earth oxides rather than carbonates
Oxides have their own subheading 2846.90.20, as classification follows specific compound type in the tariff.
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Import Tips & Compliance
• Label packages with UN numbers if hazardous; many rare-earth carbonates are irritants requiring DOT/IMDG compliance
• Provide elemental analysis reports to distinguish from scandium or other mixtures, ensuring accurate HTS 2846.90.80.75 declaration
Related Products under HTS 2846.90.80.75
Lanthanum-Yttrium Rare Earth Carbonate Mixture
A chemically defined mixture of lanthanum and yttrium carbonates, excluding cerium, used primarily in the production of phosphors for lighting and displays. This falls under HTS 2846.90.80.75 as a mixture of rare-earth carbonates other than cerium carbonate, classified in Chapter 28 for inorganic compounds of rare-earth metals. It meets the criteria for chemically defined compounds per subheading note to 2852.10, but is specifically covered here.
Neodymium-Praseodymium Carbonate Blend
Industrial-grade blend of neodymium and praseodymium carbonates (no cerium), utilized as a precursor in manufacturing permanent magnets like NdFeB. Classified under HTS 2846.90.80.75 for mixtures of rare-earth carbonates other than cerium carbonate, as inorganic compounds of rare-earth metals per Chapter 28. Excludes organic derivatives covered elsewhere.
Mixed Rare-Earth Carbonates (La-Nd-Y Free of Cerium)
A balanced mixture of light rare-earth carbonates including lanthanum, neodymium, and yttrium (cerium-free), used in ceramics and glass polishing compounds. Falls under HTS 2846.90.80.75 for other mixtures of rare-earth carbonates, as per Chapter 28 for chemically defined inorganic compounds. Not covered by organic or excluded categories.
Gadolinium-Terbium Carbonate Alloy Mixture
Specialty mixture of gadolinium and terbium carbonates without cerium, applied in magnetic resonance imaging contrast agents and magneto-optical devices. Classified under HTS 2846.90.80.75 as other rare-earth carbonate mixtures, within inorganic compounds of rare-earth metals per Chapter 28 notes. Chemically defined, excluding radioactive isotopes (2844).