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題名 | The Determination of the Copper Surface Area and Acidity of Electroless Plated Cu/Al[feaf]O[feb0]Catalysts by Internal Circulating Chemisorption=利用內循環化學吸附法測定化學銅觸媒之銅表面積及酸度 |
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作者 | 張新福; 林文雄; 許文獅; Saleque,Mohammed Abu; |
期刊 | 逢甲學報 |
出版日期 | 19951100 |
卷期 | 28 1995.11[民84.11] |
頁次 | 頁415-422 |
分類號 | 468.8 |
語文 | chi |
關鍵詞 | 內循環; 化學吸附法; 化學銅; 觸媒; |
中文摘要 | 本研究以一自製真空附內循環系統量測化學銅觸媒之銅表面積及酸度。化學吸附 結果顯示,氧化亞氮分解為時間之函數,導致銅表面積氧化約需 10.5 小時方能完成;而在 同樣銅觸媒表面, 氨的化學吸附速率則比較快,90 ∼ 95% 的吸附在 5-7 分鐘完成,剩下 的 5-10% 則在後續的 40-60 分鐘完成。 |
英文摘要 | In this study a self-established vacuum system with internal circulation was used to measure the copper surface area and acidity of Cu/ γ -Al �� O �� catalysts prepared by the electroless plating technique. The chemisorption results showed that the amount of N �� O decomposed was a function of time and copper surface oxidation was completed at ca. 10.5 hr. While the chemisorption rate of ammonia on the same copper catalyst surface was much faster; about 90-95% of the adsorption was completed within 5-7 min and the rest of 5-10% was slowly adsorbed after next 40-60 min. |
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