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題 名 | 以原子吸收光譜儀法偵測地下水中之砷含量=The Determination of Arsenic Content in Groundwater by Atomic Absorption Spectrometric Analysis |
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作 者 | 江漢全; 黃欽銘; 林品成; 林孟憲; 林美燕; | 書刊名 | 技術學刊 |
卷 期 | 14:3 1999.09[民88.09] |
頁 次 | 頁411-416 |
分類號 | 443.67 |
關鍵詞 | 地下水; 砷含量; 石墨爐電熱式原子吸收光譜儀法; 氫化物產生式原子吸收光譜儀法; Groundwater; Arsenic content; Graphite furnace atomic absorption spectrometric method; GFAAS; Hydride generation atomic absorption spectrometric method; HGAAS; |
語 文 | 中文(Chinese) |
中文摘要 | 本文探討以石墨爐電熱式原子吸收光譜儀法(graphite fumace atomic absorption spectrometric method,GFAAS)及氫化物產生式原子吸收光譜儀法( hydride generation atomic absoption spectrometric method,HGAAS)測定地下水中之 砷含量。依本研究使用之實驗儀器條件及方法,GFAAS法及HCAAS法之方法偵測極限分別為 0.76μg化與1.35μg比。GFAAS法之檢量線在0~20μg/L範圍線性甚佳,略優於HOAAS法。 以GFAAS法測量各種水樣之砷含量,在未受高鹽分干擾的情形下,其精密度及準確度均高 於HGAAS法。且GFAAS法具有水樣用量少,不需添加濃鹽酸及氫硼化鈉試劑,分析過程不繁 複及減少環境污染等優點,應為較佳選擇。而針對高鹽分污染之地下水樣,由於往往會對 GFAAS法之原子吸收光譜造成嚴重干擾,則建議以採用HGAAS法為宜。 |
英文摘要 | This paper concerns the comparison of determining the arsenic content in groundwater by the graphite furnace atomic absorption spectrometric method (GFAAS) and by the hydride Generation atomic absorption spectrometric method (HGAAS). According to the instrumental and experimental conditions used in this study, the method detection limits (MDL) of arsenic in groundwater samples in GFAAS and HGAAS methods are 0.76p-/L and 1.35μg/L, respectively. The calibration curve of the GFAAS method performs well in the range of 0~20μ g/L and is slightly better than that in the HGAAS method. The precision and accuracy of experimental results of the GFAAS method are better than those of the HGAAS method except for groundwater samples with high salinity. The GFAAS method also shows that it is a better choice than the HGAAS method due to some advantages including small sample size, no dangerous chemicals such as concentrated HCI and NaBH□ required, simple analytic procedure and minimum environmental pollution. On the other hand, high salinity in groundwater samples might cause serious interference in the GFAAS method. It is suggested that the HGAAS method is an appropriate way to analyze those samples. |
本系統中英文摘要資訊取自各篇刊載內容。