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Reduction characteristics of molybdenum trioxide with aluminum and siliconHang-Yu Zhu1,Rong Gao2,Wu-Tao Jin2,Long-Wu Qiu2,Zheng-Liang Xue11. State Key Laboratory of Refractories and Metallurgy, Wuhan... products of molybdenum trioxide with aluminum and silicon at various temperatures were detected by X-ray diffraction(XRD). Results show that molybdenum trioxide is reduced by aluminum or silicon step......
Solid-gas Phase Preparation Method for Porous Molybdenum Trioxide任婕1,MU Shichun1,YANG Daohe2,LI Xuejing1,DONG Shengqi1,ZHU Junwei1,LIN Xianghai3,董学斌11. State Key Laboratory of Advanced Technology... to increase the porosity of MoO3 material and promote the adsorption and diffusion of reactant molecules,the microstructure of MoO3 was studied.The preparation process of porous molybdenum trioxide by solid......
rises to 1043 K, MoC will be transformed to Mo2C. Key words: molybdenum carbide; gas-based reduction; carbon monoxide; molybdenum trioxide Received date: 2019-04-02; Accepted date: 2019-09-16.... REFERENCES [1] PATEL M, SUBRAHMANYAM J. Synthesis of nanocrystalline molybdenum carbide (Mo2C) by solution route[J]. Materials Research Bulletin, 2008, 43: 2036-2041. [2] DANG J, ZHANG G, WANG L, CHOU......
熔融制样-X射线荧光光谱法测定三氧化钼中7种组分王宝玲1,李小莉2,田文辉1(1.陕西省渭南市华县金堆城质量计量监测中心2.天津地质矿产研究所,天津 300170)摘 要:采用无水四硼酸锂熔融制样,建立了用波长色散X射线荧光光谱(XRF)法测定三氧化钼中MoO3,Pb,Cu,SiO2,CaO,Fe2O3,K2O 7种组分的方法.以Mo为主要分析元素分别对仪器参数,分析谱线,曲线拟合进行了研究,并详细讨论了熔融法制样条件中熔剂的选择,脱模剂的选择,熔融温度和熔融时间的确定.采用经过多次化学分析的样品作为标准样品绘......
Low-temperature Synthesis of Large-area Films of Molybdenum Trioxide Microbelts in Air and the Dependence of Their Field Emission Performance on Growth ConditionsDongmei Ban,Ningsheng Xu,Shaozhi Deng... University,Guangzhou 510275,China摘 要:A simple method is introduced for the preparation of large-area films of molybdenum trioxide (MoO3) microbelts......
硅钼蓝分光光度法测定三氧化二砷中二氧化硅谢辉1,赖心1,黄葡英1(1.广东省广州市广州有色金属研究院分析测试中心)摘 要:研究了在三氧化二砷中加入盐酸,加热除砷,所得残渣用氢氧化钠溶解,硝酸酸化后,以钼酸铵为显色剂,在pH 0.9条件下,硅与钼酸盐形成硅钼黄络合物,用硫酸提高酸度,以抗坏血酸为还原剂,使硅形成稳定的硅钼蓝络合物,采用分光光度法测定其中的二氧化硅含量.硅钼蓝络合物最大吸收波长位于813nm处.本法相对标准偏差(RSD)为1.6%~1.9%(n=6),测定结果与ICP-AES法的结果相一致.
Thermodynamic study and methanothermal temperature-programmed reaction synthesis of molybdenum carbideParham Roohi,Reza Alizadeh,Esmaeil FatehifarChemical Engineering Faculty, Sahand University of Technology摘 要:Nanostructured molybdenum carbide(Mo2C) was successfully prepared from molybdenum trioxide(MoO 3) using methanothermal temperature-programmed......
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to molybdenum trioxide (MoO3) completely. Combining the normalization and model fit methods, the work concludes that the rate-controlling step for the oxidization of molybdenite concentrate in the range... roasting; molybdenum trioxide; sintering phenomenon Foundation item: Project(2020CFB121) supported by the Natural Science Foundation of Hubei Province, China; Projects(2019A1515110361P) supported......