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Classification : tungsten trioxide Other Names : wo3 MF : WO3 Grade Standard : Reagent Grade Purity (%) : 80%~99.9% Appearance : yellow powder; Application : The manufacture of pure tungsten, tungsten rod, tungsten wire, tungsten electrode; Brand Name : CYCLE CAS No. : - EINECS No. : -
Structure: : the structure of WO3 depends on the temperature:It is a tet

الوصف

Name:tungsten trioxide;
Properties: yellow powder;
Solubility: insoluble in water, dissolved in alkali, and slightly soluble in acid;
Chemical formula:WO3;
Molecular weight:231.85;
CAS:1314-35-8;
EINECS:215-231-4;
Melting point(℃):1472;
Boiling point(℃):1837;
Relative density (water =1): 7.16;
Chemical property:Significant sublimation at 850℃;Almost no reaction with inorganic acids except hydrofluoric acid;Can slowly dissolved in ammonia or concentrated alkali solution;heating react with chlorine generating oxychloride;But it can't react with bromine and iodine;
Structure: the structure of WO3 depends on the temperature:It is a tetragonal system above 740℃,330-740℃ is orthonormal system,17-330℃ is monoclinic system,-50-17℃ is three cable-stayed system,monoclinic structure is the most common;
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Application:
1. The production of tungsten powder and tungsten carbide powder by calcining reduction;
2. The manufacture of pure tungsten, tungsten rod, tungsten wire, tungsten electrode;
3. Shielding material for radiation;
4. Industry: coloring agent for yellow ceramic;
5. Shipbuilding Industry: anticorrosive paint and paint materials.
 

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الشخص الذي يمكن الاتصال به:Ms. Sally

الشركة:HEBI CYCLE COMMERCIAL CO., LTD

عنوان:NO.33 TAISHAN ROAD, Hebi, Henan, China,458000

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Ms. Sally < HEBI CYCLE COMMERCIAL CO., LTD >
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