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Abstract:
不确定度是一类表征测试结果可靠性的重要参数,对于规范试验操作具有重要意义。表面增强拉曼光谱技术(surface enhanced Raman spectroscopy,SERS)作为一种用于物质定性和半定量分析的分子振动光谱,具有快速、简便和灵敏度高等特点,在食品安全与质量控制领域中广泛应用。利用SERS技术对三聚氰胺进行测定试验,并对该方法的不确定度进行分析。经辨识,确认715 cm~(-1)处的峰为三聚氰胺的特征峰,该峰的峰强与三聚氰胺的浓度呈正相关。选取675 cm~(-1)处的峰为内标峰,在0.1μg/mL~5.0μg/mL范围内,以I715/I675和浓度为参数进行线性回归分析。标准...
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食品研究与开发
Year: 2017
Issue: 19
Volume: 38
Page: 161-165
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 10
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