全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于傅里叶红外光谱重组技术的食用油检测改进研究

, PP. 129-134

Keywords: 食用油,傅里叶红外光谱,光谱重组技术,光谱分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

以食用油、无色矿物精油(OMS)、六羰基铬为试验材料,利用二维相关振动光谱技术对FTIR光谱重组(SR)检测中OMS特征吸收峰取代光谱标记物进行评价研究。结果表明在单一菜籽油体系中,有9个相关吸收峰可用于TVF预测定量分析。考虑不同因素影响,相关吸收峰减至4个。最优相关吸收峰测定OMS体积分数相关性好于标记物特征吸收峰,受混合样品极性变化影响较少。在食用油和OMS混合物中既可用光谱标记物也可用OMS溶剂本身相关吸收峰来扣除混合样品光谱中

References

[1]  van de Voort F R,Sedman J,Cocciardi R,FTIR condition monitoring of in-service lubricants:ongoing developments and future perspectives,Tribology Transactions,2006(03).
[2]  van de Voort F R,Sedman J,Sherazi S T H,Improved trans analysis in edible oils using spectral reconstitution,Journal of Association of Official Analytical Chemists,2007(02).
[3]  Yu X,van de Voort F R,Sedman J,Determination of peroxide value of edible oils by FTIR spectroscopy with the use of the spectral reconstitution technique,Talanta,2007(02).
[4]  van de Voort F R,Sedman J,Sherazi S T H,Correcting for underlying absorption interferences in FTIR trans analysis of edible oils using 2D correlation techniques,Journal of Agricultural and Food Chemistry,2008(05).
[5]  于修烛,杜双奎,岳田利,食用油反式脂肪酸傅里叶红外光谱重组检测技术,农业机械学报,2009(01).
[6]  Filosa A,Wang Y,Ismail A A,Two-dimensional infrared correlation spectroscopy as a probe of sequential events in the thermal unfolding of cytochromes,Biochemistry,2001.
[7]  Noda I,Ozaki Y,Two-dimensional correlation spectroscopy--applications in vibrational and optical spectroscopy,NY:John Wiley and Sons Ltd,2004.
[8]  刘钟栋,李坤,高莉,蔗糖多酯合成工艺的响应面法优化,农业机械学报,2008(02).
[9]  Wang Y,Murayama K,Myojo Y,Two-dimensional Fourier transform near-infrared spectroscopy study of heat dena-turation of ovalbuminin aqueous solutions,The J Phys Chem B,1998(34).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133