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研究生:吳振明
研究生(外文):Wu Chen-Ming
論文名稱:陽明山地區雨水所含微量金屬Mn、Pb、Ni濃度及來源之探討
論文名稱(外文):The study on sources of Mn,Pb,Ni in rain water collected from YangMing Shan area
指導教授:陳永祺
學位類別:碩士
校院名稱:中國文化大學
系所名稱:應用化學研究所
學門:自然科學學門
學類:化學學類
論文種類:學術論文
論文出版年:2007
畢業學年度:96
語文別:中文
論文頁數:74
中文關鍵詞:氣懸膠雨水沙塵暴微量金屬
外文關鍵詞:MnNiPbdust storms
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摘要
本研究主要在探討陽明山地區雨水中微量金屬Mn、Pb、Ni濃度季節變化及來源的探討,雨水樣品取自於中國文化大學華岡測站,採樣時間自2002年5月至2003年9月止,總共取得120個雨水樣品(雨量≧0.1mm/day),並以石墨式原子吸收光譜儀來測定Mn、Pb、Ni等微量金屬濃度,分析各元素在不同季節的變化情況,再以富集值和元素總量來計算各元素的可能來源。

2002年5月至2003年9月所測得的雨水pH值介於3.8~7.6之間,平均值為5.26,大部分都介於pH 4到pH 6之間,我們可以明顯的發現雨水pH值受到季節的影響有週期性的變化。在17個月的雨水樣品大多都集中在20毫升左右,雨量的多寡與微量金屬的濃度成反比,雨量越多則測定出來的微量金屬濃度就越低。由富集值可發現Pb和Ni都是以污染源為主,Mn則是污染源與地殼源各半。Ni元素在春、冬之際,受到東北季風挾帶中國大陸東南沿岸工業污染的影響,而濃度上升;在沙塵暴發生的期間,各元素也因沙塵暴的影響,使得濃度較高。從總量表可以看出,三元素受到沙塵暴的影響很大,在沙塵暴發生的期間濃度就會明顯上升,而Ni元素秋季濃度上升,則是受到東北季風的影響。
Abstrct
The period form May,2002 to September,2003,total one hundred and twenty rain samples (rainfall>0.1mm/day) was collected during rainy days at Weather Observation Station in Chinese Culture University. On the study, trace metals Mn, Pb, Ni were determined by graphite furnace absorption spectrophotometry (GFAAS).The research purposes are (1) to discuss change of trace metal concentration in rainwater with season, (2) applying model of enrichment factor to depict sources of trace metal in rain water.

From the results, the pH of rain water ranges from 3.8 to 7.6; the average is 5.26.The most data is between 4 and 6.The pH of rain water varied with periodical season change. The rainfall affected trace metal concentration of rain water. High rainfall diluted the trace metal concentration.

The trace metal Ni concentration of rain water was affected by the industrial pollution from east coast of mainland China carried by the northeast monsoon in the Spring and Winter season. The dust storms occurred in the Spring either increase trace metal concentration of rain water. Lead and nickel in rain water are from pollution; but Mn is part from crust material and part from pollution.
目錄
第一章 前言-----------------------------------------------------------1
1-1 前言 ------------------------------------------------------------1
1-2 文獻回顧--------------------------------------------------------11
1-3 研究目的--------------------------------------------------------13
第二章 採樣及前處理---------------------------------------------------14
2-1 研究位置--------------------------------------------------------14
2-2 樣品採集--------------------------------------------------------15
2-3 水樣處理及保存---------------------------------------------------15
第三章 分析方法------------------------------------------------------17
3-1 實驗儀器及藥品---------------------------------------------------17
3-2 實驗分析--------------------------------------------------------18
第四章 結果與討論----------------------------------------------------26
4-1 雨量及PH值關係---------------------------------------------------26
4-2 雨水中金屬元素富集值計算------------------------------------------30
4-3 雨水中各種微量金屬濃度--------------------------------------------31
4-4 各元素總量表計算及結果--------------------------------------------35
第五章 結論----------------------------------------------------------37
附錄1各元素富集值計算結果---------------------------------------------54
附錄2 陽明山汽機車車輛總數表-------------------------------------------58
附錄3焚化爐飛灰與沙塵暴對照表------------------------------------------59
第六章 參考文獻------------------------------------------------------60
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行政院環境保護署
中國文化大學大氣科學系-沙塵暴資料庫
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