- 期刊
Kinetic Study of the Reaction of Carbon Disulfide and Basic Compounds
二硫化碳和鹼性物質反應之動力學研究
摘要
本研究探討二硫化碳和鹼性物質在勻相溶液中進行之反應,其中鹼性物質包含:氫氧化鉀、氫氧化四丁基銨及三級胺，利用UV偵測器進行反應時之量測,由反應中產生CS2-X（X:鹼性物質）之活性中間體乃利用UV儀器量測基深度，此乃CS2-X無法從溶液中被分離及純化而得。由實驗得知，若以CS2和KOH及以CS2和氫氧化四丁基銨進行反應所獲得動力數據是無法以擬一次速率定律來描述，然而，擬一次速率定律卻可以用來描述CS2+R3N之反應，因此，在這個反應中，速率常數(k1)乃藉由UV吸收光譜中獲得。論文中，並對有機溶劑、溫度及二硫化碳濃度之效應對反應速率之影響也逐一探討。
關鍵字
無資料並列摘要
The reaction of carbon disulfide and basic compounds, including potassium hydroxide (KOH), tetrabutylammonium hydroxide (QOH), and tertiary amine (TBA ), to form CS2-X in a homogeneous solution was studied. A UV detector was used to measure these reactions. The concentration of the active intermediate CS2-X (X: basic compounds), which was not purified from the solution, was measured using a UV instrument. It is found that the reactions did not follow a pseudo first order rate law when potassium hydroxide or tetrabutylammonium hydroxide was used as the basic compound. Nevertheless, a pseudo first order rate law is proposed to describe the kinetics of reactions involving carbon disulfide and tertiary amine. In the reaction of carbon disulfide and tertiary amine, the rate constant of the forward reaction (k1) was obtained through UV absorbance of the product. The effects of organic solvents, temperature, and the concentration of the reactants on the rates of reactions were investigated.
延伸閱讀
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