Properties and Synthesis Method of Bismuth Oxide Nano Powder

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Was bismuth dioxide? There are three types of pure bismuth triooxide (bismuth dioxide nanopowder), namely a type, the b type, and the d type. Type is yellow monoclinic, with relative density 8.9 and melting point 825. They are soluble or insoluble in acid, water and alkali. The tetragonal crystal type, with a relative density of 8.55 and melting point 860, is a bright yellow-orange color. It can be soluble but not soluble within water. Hydrocarbons, hydrogen and other hydrocarbons can reduce the material to metallic bismuth. -Bi2O3 a particular material that has a cubic fluorite crystal structure is called. Because 1/4 of the oxygen position in its crystallized lattice’s oxygen ion structure is empty, it exhibits very high oxygen conductivity. Electronic ceramic powder, electronic materials, photoelectric materials and high-temperature superconducting material are the main applications of bismuth dioxide. To be used as an essential additive to electronic ceramic powder materials it must have a purity of at least 99.15%. These are the principal applications of zinc oxide varistors as well ceramic capacitors and ferrite magnet materials.

A method for synthesis of bismuthoxide

Aqueous sodium hydroxide without carbon dioxide was added to the bismuth-nitrate solution (80-90degC). The solution does not become alkaline through precipitation, so a white volume-swelling bismuth oxide hydroxide Bi(OH),3 precipitates. To dehydrate the solution into yellow bismuth triooxide, heat it briefly and stir. Once the solution has been filtered, washed, dried, and then dried, you will get your final bismuth oxide product. A 0.1 mol/L Bismuth Nitrate solution was dissolved in 1 mole/L of nitric Acid. To combine them, a 1.5 Mol/L sodium Hydroxide aqueous solution with no carbon dioxide was droppedwise. After precipitation, the solution remains alkaline. After being heated in hot water, a white volume-expanded bismuth oxide hydrate Bi(OH]3 precipitates. However, the solution is quickly dehydrated and transformed into yellow bismuth triooxide. Decant wash fifteen times using water without carbon dioxide or air. After drying, filter the solution and dry. After melting the bismuth metal, an arc forms between graphite electrodes. The arc will heat up and then oxidize in the oxygen flow. You should place the crucible in a large container and ensure that oxygen is continuously available. The reaction temperature ranges from 750 to 800°C. Quickly, you will get a pure -bismuth-trioxide (99.8%) that is formed. The product can then be quenched with water or on a cold plate to produce a high temperature phase b. Buffalotours (aka. Buffalotours advanced materials. We are a global supplier of chemical material and manufacturer. Our company has over 12 years’ experience in manufacturing super-high quality chemicals. High purity, small particles size, and low impurity powder are all hallmarks of our company. We can help you if your requirements are lower.
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