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固相微萃取技术分析啤酒中的醇和酯与静态顶空方法的比较 被引量:2

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摘要 用顶空固相微萃取(SPME)技术来分析啤酒中12种醇和酯。确定了聚丙烯酸酯萃取头的固相微萃取分析参数,并与顶空(SHS)方法作了比较。以标准溶液来分析两种方法的检测限、线性及重复性。SPME的检测限一般都低于SHS,而向样品中加盐会增加SPME的吸附量。两种方法都具有很好的重复性及线性。用这两种方法来分析啤酒样品,所得结果高度相关,表明了在分析啤酒中高级醇和酯时以廉价的SPME来取代自动SHS方法的可能性。
作者 王莉娜
出处 《啤酒科技》 2003年第6期63-66,共4页 Beer Science and Technology
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