What are the effects of dysprosium Oxide?


It is also used in the production of Dysprosium Metal, and as a permanent magnet additive. Also, it is used for yttrium or yttrium aluminium garnets, metal halide lights, magneto-optical memories, and the atomic power industry. Dysprosium can also be added to neodymium, iron and boron permanent magnetic materials. By adding 2 to 3 percent of dysprosium, the magnet’s coercivity can be increased. In the past the demand for Dysprosium wasn’t very high, but now with the NdFeB magnets and their increased demand, the need for it is increasing. It must also be a grade of 95-99.9%. Dysprosium Oxide is also used as raw material to prepare dysprosium metallic, as an addition for neodymium ferro boron permanent magnetics, as well as in the metal halide lamp, magneto-optical materials, yttrium or yttrium aluminium garnet and atomic power industries.

Introduction to Europium Oxide



Europium Oxide

This powder is pale red. The relative densities is 7.42. The melting temperature is 2002 degrees. Insoluble in acid, but soluble with water. It can absorb both carbon dioxide and water from the air.

How to make the europium oxid?


Extraction Method: Use the solution of rare earth chloride that is obtained after processing monazite and mixed rare earth ore. Extraction with P204-kerosene-HCL-ReCl3 system, the first grouping of neodymium and samarium, the raffinate is used to extract light rare earth, samarium and heavy rare earth are extracted into the organic phase, and then the middle rare earth are back-extracted with 2.0mg/L HCl to obtain a medium After the rare earth samarium enrichment is reduced by zinc powder, europium is extracted by the alkalinity method and then precipitated with oxalic acid, separated, dried, and burned to obtain europium oxide.

Is europium oxide toxic?


The salt of rare Earth elements can inhibit the production thrombin by inhibiting the production of fibrinogen and reduce the content of the prothrombin. It also catalyzes the decomposition phosphoric acids compounds. The toxicity decreases with increasing atomic weight. Gas masks are required to be worn when working. Radioactivity requires special protection. It is important to prevent dust from spreading.

Storage of Dysprosium Oxide and Europium Oxide


The product should be kept in a sealed, cool, dry environment and not exposed. A heavy pressurized environment should also be avoided. The items can then be transported like any other item.

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