中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Determination of benzoyl peroxide in wheat flour by ion chromatography with precolumn derivatization

文献类型:期刊论文

作者Chen, QC; Mou, SF; Hou, XP; Ni, ZM
刊名JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES
出版日期1998
卷号21期号:5页码:705-716
英文摘要A novel method for the determination of benzoyl peroxide bleach in wheat flour by using high performance anion exchange chromatography (HPIC) after decomposition to benzoic acid was proposed. Benzoyl peroxide was effectively extracted from wheat flour with absolute ethanol by ultrasonication under neutral condition and converted to benzoic acid in the presence of potassium hydroxide solution. The chromatographic separation of benzoic acid was performed on a Dionex OmniPac PAX-100 separation column and the determination by ultraviolet absorbance detection at 222 nm. Good linearity between the concentration of benzoyl peroxide and peak area response nas achieved in the range of 0.12-20 mu g/mL. The detection limit (signal-to-noise ratio 3:1) was 19 ng/mL for benzoyl peroxide. The method has been successfully applied for the analysis of real samples, and the average recoveries for various samples ranged from 81 to 92%.
研究领域[WOS]Biochemistry & Molecular Biology ; Chemistry
WOS记录号WOS:000072927700008
源URL[http://ir.rcees.ac.cn/handle/311016/24287]  
专题生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式
GB/T 7714
Chen, QC,Mou, SF,Hou, XP,et al. Determination of benzoyl peroxide in wheat flour by ion chromatography with precolumn derivatization[J]. JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES,1998,21(5):705-716.
APA Chen, QC,Mou, SF,Hou, XP,&Ni, ZM.(1998).Determination of benzoyl peroxide in wheat flour by ion chromatography with precolumn derivatization.JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES,21(5),705-716.
MLA Chen, QC,et al."Determination of benzoyl peroxide in wheat flour by ion chromatography with precolumn derivatization".JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES 21.5(1998):705-716.

入库方式: OAI收割

来源:生态环境研究中心

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