Raman and Electrochemical Probes of the Dissolution Kinetics of Tungsten in Hydrogen Peroxide

Gary S. Kanner; Darryl P. Butt

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Raman and Electrochemical Probes of the Dissolution Kinetics of Tungsten in Hydrogen Peroxide

机译：钨在过氧化氢中的溶解动力学的拉曼光谱和电化学探针

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The interaction of tungsten with hydrogen peroxide was studied by Raman spectroscopy and electrochemical measurements. We found that W catalyzes the decomposition of peroxide into its ion, while the native oxide of W becomes increasingly hydrated and soluble. The decay of the peroxide concentration upon immersion of W is consistent with a model of 1-D diffusion to the W surface followed by a surface reaction with a heterogeneous rate constant of 3 × 10↑(-5) cm/s. This model can also be used to explain the decrease of the H↓(2)0↓(2) solution pH and the increase in open circuit potential of W that occurs while W is immersed in H↓(2)0↓(2).

机译：通过拉曼光谱和电化学测量研究了钨与过氧化氢的相互作用。我们发现W催化过氧化物分解成其离子，而W的天然氧化物变得越来越水合和可溶。 W浸入后过氧化物浓度的衰减与1-D扩散到W表面然后随后以3×10↑（-5）cm / s的异质速率常数进行表面反应的模型一致。该模型还可用于解释H↓（2）0↓（2）溶液pH的降低以及W浸入H↓（2）0↓（2）时W的开路电位的增加。。

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《The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical》 |1998年第48期|共7页
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Gary S. Kanner; Darryl P. Butt;
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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
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1. Raman and Electrochemical Probes of the Dissolution Kinetics of Tungsten in Hydrogen Peroxide [J] . Gary S. Kanner, Darryl P. Butt The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 1998,第47期

机译：钨在过氧化氢中的溶解动力学的拉曼光谱和电化学探针
2. The synthesis of tungsten trioxide gel by dissolution of tungsten in hydrogen peroxide and its transformations during the heat treatment in oxidation and reduction atmospheres [J] . Georgijevi? Radovan, Mentus Slavko Hemijska industrija . 2011,第3期

机译：钨在过氧化氢中的溶解合成三氧化钨凝胶及其在氧化和还原气氛中的热处理过程中的转变
3. Kinetic evidence for (N,N-dimethylaniline)-oxodiperoxomolybdenum(VI) or tungsten(VI) as oxidizing species in molybdenum(VI) or tungsten(VI) catalyzed hydrogen peroxide (perborate) oxidation of N-N-dlmethylaniline [J] . Karunakaran C., Palanisamy PN. Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry . 1998,第7期

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4. Environmental Dissolution of Molybdenum Mandrel fromTungsten Filaments with Hydrogen Peroxide [C] . B. Trevi?o, J. Acevedo, M. Bringas World congress of chemical engineering . 2001

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5. Modular synthesis of probe components and development of a computational model for carbonyl hydrogen abstractions, peroxide degradation, and peroxide acidity [D] . Preston, Douglas Alexander 2006

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6. A ratiometric Raman probe for live-cell imaging of hydrogen sulfide in mitochondria by stimulated Raman scattering [O] . Chen Zeng, Fanghao Hu, Rong Long, -1

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7. The synthesis of tungsten trioxide gel by dissolution of tungsten in hydrogen peroxide and its transformations during the heat treatment in oxidation and reduction atmospheres [O] . Georgijević Radovan, Mentus Slavko 2011

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8. Processing of LEU targets for (sup 99)Mo production -- Dissolution of metal foil targets by alkaline hydrogen peroxide [R] . Dong, D., Vandegrift, G. F., Amini, S., 1995

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Raman and Electrochemical Probes of the Dissolution Kinetics of Tungsten in Hydrogen Peroxide

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