臺灣博碩士論文加值系統

在氧化還原反應中，過氧化物是常見的氧化劑，而過氧化氫又是其中最常見的；它能將碘離子快速地氧化，隨即再被碘分子氧化產生氧氣，形成一個循環系統，造成過氧化氫本身的分解。本研究探討過氧硫酸氫根離子與溴分子之間反應動力學研究。在離子強度1.0 M及25 ℃之反應條件下，以pseudo-first-order的方式進行反應動力學探討，發現反應中會出現連續一級動力學的反應變化，此二段變化的反應速率都與過氧化物及溴分子的濃度成正比，也都明顯的和氫離子濃度有關，其速率定律式分別為：

rate = (k0 + kH × Keq / [H+])[HSO5-][Br2]
rate = (k0/ + kH/ × Keq / [H+])[HSO5-][Br2]

經由數據分析得到kO為0.1855 M-1s-1，kH為2.57 × 103 M-1s-1；kO/為1.44 × 10-2 M-1s-1，kH/為1.03 × 102 M-1s-1。在過氧硫酸氫根離子與溴分子的反應中，反應物間的計量關係和反應的最終產物等，都曾被分析探討。

Peroxide is generally used as oxidant in chemical reactions. Hydrogen peroxide is the most widely used one in these peroxides; it can oxidize iodide fast, but it maybe oxidized with iodine to produce oxygen. In this study the reactions of bromine with peroxymonosulfate ion , which are more oxidation active than hydrogen peroxide were investigated. These reactions were studied in pseudo - first order kinetic condition at ionic strength μ = 1.0 M and 25 ℃. The reaction shows a consecutive kinetics and both processes are first-order dependence of peroxymonosulfate ion and bromine as well as dependent on the concentration of hydrogen ion. The rate laws of these reactions are:
rate = (k0 + kH × Keq / [H+])[HSO5-][Br2]
rate = (k0/ + kH/ × Keq / [H+])[HSO5-][Br2]
The mechanism of peroxymonosulfate ion with bromine is comparability with iodine. The final product, reaction stoichiometry in the reaction of peroxymonosulfate ion with bromine was investigated.

中文摘要 Ⅰ
英文摘要 Ⅱ
致謝 Ⅲ
目錄 Ⅳ
表目錄 XⅢ
圖目錄 ⅠX
壹、緒論 1
貳、實驗 17
一、藥品 17
二、製備 17
過氧硫酸氫根離子的純化 17
三、分析 18
動力學測定 18
光譜滴定 18
参、結果 19
過氧硫酸氫根離子與溴分子之反應動力學 19
肆、討論 29
過氧硫酸氫根離子與溴分子的反應 29
計量關係 29
速率常數之探討 30
反應速率常數的比較 34
過氧醋酸與溴分子的反應 35
伍、結論 36
陸、參考文獻 38

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