食品接触材料中全氟烷基磺酸类化合物的HPLC-MS/MS测定

Food Science(2010)

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Abstract
研究食品接触材料中全氟烷基磺酸类化合物的检测方法和该类化合物的残留水平.样品采用甲醇超声提取,液相色谱-质谱联用测定,以C18为分离柱,甲醇-5mmol/L乙酸铵溶液为梯度洗脱淋洗液,同位素内标法定量,内标物为13C标记的PFOS.该方法的检出限为0.5μg/kg,线性范围为0.5~10μg/kg,方法的平均回收率为91.1%~112.8%.结果证明,该方法准确、快速,可成功应用于16种食品接触材料实样的检测.
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Key words
high-performance liquid chromatography-tandem mass spectrometry(HPLC-MS/MS),food contact materials,perfluoroalkane sulfonates,isotope-labeled internal standard method
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