TARNISH FILM FORMATION ON SILVER IN ATMOSPHERIC ENVIRONMENTS CONTAINING HYDROGEN SULFIDE AND NITROGEN DIOXIDE

机译：含硫化氢和二氧化氮的大气环境中银上的淡褐色薄膜形成

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The early stages of tarnish film formation on silver in atmospheres containing hydrogen sulfide and nitrogen dioxide were examined. Relative humidity and sub-ppm levels of H2S and NO_2 were controlled in a flowing mixed gas chamber, and film growth was measured in situ by quartz crystal microbalance. Tarnish films were analyzed by XPS and FESEM. The processes of film growth for these two corrosive gas species were compared and contrasted. Important contributing factors are the oxidizing power of the gases, the solubility of corrosion products, and the ionic and electronic transport properties of the corrosion product films.

机译：在含有硫化氢和二氧化氮的气氛中，检查了在银上形成锈蚀膜的早期阶段。在流动的混合气体室内控制相对湿度和H2S和NO_2的亚ppm水平，并通过石英晶体微天平就地测量膜的生长。通过XPS和FESEM分析失去光泽的膜。比较和对比了这两种腐蚀性气体的膜生长过程。重要的影响因素是气体的氧化能力，腐蚀产物的溶解度以及腐蚀产物膜的离子和电子传输性能。

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《International Symposium on State-of-the-Art Application of Surface and Interface Analysis Methods to Environmental Material Interactions: in Honor of James E.Castle's 65th Year, Mar 26-27, 2001, Washington D.C.》|2001年|p.72-79|共8页
会议地点 Washington DC(US)
作者
Joe H. Payer; Heesan Kim;
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Department of Materials Science and Engineering Case Western Reserve University 10900 Euclid Avenue Cleveland, Ohio 44106-7204;

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正文语种 eng
中图分类一般工业技术;
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2. Formation and Growth of Tarnish on Evaporated Silver Films [J] . Journal of Applied Physics . 1969,第8期

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4. Tarnish Process of Silver in Atmospheric Environments Containing Hydrogen Sulfide and Nitrogen Dioxide [C] . Joe Payer, Heesan Kim The Meeting of the Electrochemical Society . 2001

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TARNISH FILM FORMATION ON SILVER IN ATMOSPHERIC ENVIRONMENTS CONTAINING HYDROGEN SULFIDE AND NITROGEN DIOXIDE

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