摘要
本研究利用微波輔助加熱方式快速消化Polyester、Cotton、Nylon三種不同材質織布，並以感應耦合電漿發射光譜儀分析磷元素。首先，探討密閉微波消化方法之最適操作條件；其次分析聚酯、棉、尼龍三種不同材質織布，評估方法的準確性；最後以建立之微波消化程序分析不同材質織布，以探討方法之適用性及可能的影響。在微波消化試劑方面，只使用硝酸及鹽酸，發現可得到具有可信賴的結果。希望藉此研究成果能提供一快速、準確、靈敏之織布分析方法。 研究結果顯示，取樣品0.25g加入9mL之69%硝酸及2mL之36%鹽酸，以密閉微波消化法之較佳操作條件分別為，以聚酯而言，微波消化時間3分鐘、微波消化溫度170℃為較佳操作條件、以棉而言，微波消化時間9.5分鐘、微波消化溫度190℃為較佳操作條件、以尼龍而言，微波消化時間9.5分鐘、微波消化溫度190℃為較佳操作條件。本研究建立之模式，可提供進行微波消化不同材質織布樣品測定其磷元素含量之參考方法。
並列摘要
In this study, a rapid microwave digestion method, and inductively coupled plasma atomic emission spectrometry (ICPAES) for the determination the concentration of phosphorous in different textiles, polyester, cotton, or Nylon, were investigated. It was found that the measured results are dependent on the weight of sample, as well as the time and temperature of digestion. The recommended procedures of microwave digestion for different materials are: 3 minutes at 170℃ for polyester, and 9.5 minutes at 190℃ for both cotton and Nylon. The proposed methods are rapid and energy saving, and can be applied in the analysis of phosphorous in different textiles.
參考文獻
延伸閱讀
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