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題 名 | Determination of Arsenic in Edible Fats and Oils by Focused Microwave Digestion and Atomic Fluorescence Spectrometer=以聚焦式微波消化法及原子螢光光譜儀分析食用油脂類中砷含量 |
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作 者 | 陳石松; 李璧諭; 鄭秋真; 周薰修; | 書刊名 | 藥物食品分析 |
卷 期 | 9:2 2001.06[民90.06] |
頁 次 | 頁121-125 |
分類號 | 466.11 |
關鍵詞 | 聚焦式微波消化法; 原子螢光光譜儀; 食用油脂類; 砷; Focused microwave digestion; Atomic fluorescence spectrometer; Edible fats and oils; Arsenic; |
語 文 | 英文(English) |
中文摘要 | 本研究探討以聚焦式微波消化器(Focused Microwave Digester)前處理,及原子螢光光譜儀(AtomicFluorescence Spectrometer)檢測食用油脂類中砷含量。將檢體0.5 g 加硫酸10 mL與硝酸5 mL,以聚焦式微波消化器加熱消化,再以原子螢光光譜儀檢測,儀器檢出限量為50 pg/mL 。添加砷0.05 , 0.10 及0.20 ppm於棕櫚油中,其回收率分別為89.8 、93.0 及94.7% ,於橄欖油中回收率為86.4 、92.0 及96.9% ,於豬油中其回收率為86.9、91.2 及91.5%。分析市售食用油脂21 件,檢出範圍為0.005 ∼ 0.027 ppm ,均低於食用油脂類衛生標準之最大容許量(0.1 ppm)。 |
英文摘要 | A method for the determination of arsenic in edible fats and oils was developed. A half-gram sample was digested with 10 mL sulfuric acid and 5 mL nitric acid by focused microwave digester, and then analyzed by atomic fluorescence spectrometer (AFS). The detection limit of the instrument was at 50 pg/mL. The recovery studies were performed at 0.05, 0.10 and 0.20 ppm spike levels of arsenic in palm oil, olive oil and lard. The recoveries were in range of 89.8∼ 94.7, 86.4∼ 96.9 and 86.9 ∼91.5%, respectively. Twenty-one market samples of edible fats and oils were analyzed to contain 0.005 ∼ 0.027 ppm of arsenic. |
本系統中英文摘要資訊取自各篇刊載內容。