双波段吸收法检测中国大豆油中的地沟油

A. Mignani, L. Ciaccheri, A. Mencaglia, J. Xing, X. Yang, W. Sun, L. Yuan
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引用次数: 4

摘要

采用吸收光谱法对大豆油中的地沟油进行了检测和定量。研究了三种大豆油中掺入不同浓度的地沟油。光谱是用白光LED和低成本光谱仪在可见光波段测量的。然后,将可见光谱分成两个波段,用于模拟仅由两个LED组成的简单装置,并对最佳LED对进行了实验。成功的结果表明了实现智能手机兼容设备快速评估豆油质量的潜力。
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Detection of hogwash oil in Chinese soybean oils using dual-band absorption measurements
The detection and quantification of hogwash oil in soybean oils by means of absorption spectroscopy is presented. Three types of soybean oils were adulterated with different concentrations of hogwash oil. The spectra were measured in the visible band using a white LED and a low-cost spectrometer. Then, the visible spectra were sliced into two bands for modeling a simple setup made of two LEDs only, and the best LED couple was experimented. The successful results indicate potentials for implementing a smartphone-compatible device for a quick assessment of soybean oil quality.
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