Description
Specifications Table
Product Name – Europium(III) fluoride, anhydrous, REactOn™, 99.98% (REO)
Quantity/Pack Size – 25g, 5g, 2g
Form – Anhydrous powder
Grade – REactOn™ (99.98% REO)
Application – High-purity synthesis, optical materials, specialty ceramics
Product Overview
Europium(III) fluoride (EuF₃) from eqipped is a high-purity rare earth compound designed for demanding laboratory applications where trace impurities can compromise results. This anhydrous form ensures maximum stability and reactivity, with a guaranteed 99.98% purity on a rare earth oxide (REO) basis—eliminating common metallic and anionic contaminants that plague lower-grade alternatives. The REactOn™ certification process involves multi-stage purification and rigorous ICP-OES analysis to verify consistency across batches, making it the preferred choice for researchers working with luminescent materials, dopants in solid-state lasers, or as a precursor for europium-based nanoparticles. The fine, free-flowing powder disperses uniformly in both aqueous and organic media, while its hygroscopic nature necessitates storage under inert conditions to maintain long-term performance. Unlike conventional europium salts, this fluoride variant offers superior thermal stability up to 1400°C, enabling high-temperature synthesis without decomposition or phase separation. Each batch is packaged in argon-flushed containers with tamper-evident seals to prevent oxidation during transit, accompanied by a certificate of analysis detailing elemental impurities below 10 ppm for critical metals.
FAQs
1. What is the difference between Europium(III) fluoride and Europium(III) oxide in terms of reactivity?
Europium(III) fluoride exhibits lower solubility in water compared to the oxide form, making it more suitable for applications requiring controlled release of Eu³⁺ ions. The fluoride also has higher thermal stability, which is critical for ceramic and glass manufacturing processes where the oxide might decompose or react with other components at elevated temperatures.
2. Can this product be used directly in hydrothermal synthesis without further purification?
The 99.98% REO purity level ensures minimal impurities that could interfere with hydrothermal reactions, but we recommend pre-dissolving in dilute acid (e.g., 0.1M HCl) and filtering through a 0.22µm membrane to remove any potential particulate matter from handling, especially for nanoparticle synthesis where size uniformity is paramount.
3. How does the REactOn™ grade compare to standard 99.9% purity europium fluoride?
REactOn™ grade undergoes additional zone refining and sublimation steps to reduce trace transition metals (Fe, Cu, Ni) below 5 ppm and halides below 20 ppm, whereas standard 99.9% products typically contain 50-100 ppm of these impurities. This makes REactOn™ ideal for photoluminescent applications where even minor contaminants can quench emission efficiency.
4. What precautions should be taken when storing opened containers of this product?
Once opened, the product should be stored in a desiccator under nitrogen or argon atmosphere with relative humidity maintained below 5%. Use PTFE-lined caps to prevent reaction with glass, and avoid prolonged exposure to ambient air, as the powder can absorb moisture and form hydrated species that alter its stoichiometry in reactions.
5. Is this europium fluoride compatible with fluorine-based solvents like HF or TFA?
While the compound is stable in anhydrous HF, it will gradually dissolve in aqueous HF or TFA due to ligand exchange reactions. For applications requiring fluorine-rich environments, we recommend using PTFE or PFA labware and limiting exposure time to less than 24 hours to prevent significant material loss or formation of soluble europium complexes.
