EVALUATION OF THE OXIDATION OF RICE HUSKS WITH SODIUM HYPOCHLORITE USING GAS CHROMATOGRAPHY-MASS SPECTROMETRY AND DIRECT ANALYSIS IN REAL TIME-MASS SPECTROMETRY

被引：17

作者：

Wang, Shou-Ze ^{[1
]}

Fan, Xing ^{[1
]}

Zheng, Ai-Li ^{[1
]}

Lu, Yao ^{[1
]}

Wei, Xian-Yong ^{[1
]}

Zhao, Yun-Peng ^{[1
]}

Wang, Rui-Yu ^{[2
]}

Dou, You-Quan ^{[1
]}

Wang, Ying-Hua ^{[1
]}

Wang, Chu-Fan ^{[1
]}

Zhang, Fan ^{[1
]}

Shen, Yong ^{[1
]}

Li, Chun-Yan ^{[1
]}

Liu, Zheng ^{[1
]}

Liu, De-Ying ^{[1
]}

机构：

[1] China Univ Min & Technol, Sch Chem Engn, Xuzhou 221116, Jiangsu, Peoples R China

[2] China Univ Min & Technol, Low Carbon Energy Inst, Xuzhou 221116, Jiangsu, Peoples R China

来源：

ANALYTICAL LETTERS | 2014年 / 47卷 / 01期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Aqueous sodium hypochlorite solution; Direct analysis in real time mass spectrometry; Gas chromatograph-mass spectrometry; Oxidation; Rice husk; TEMPO-MEDIATED OXIDATION; DART; ACID; COAL; PYROLYSIS; BIOMASS; FUELS;

D O I：

10.1080/00032719.2013.831425

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Rice husk powder was oxidized in aqueous sodium hypochlorite solution under mild conditions with different reaction times. Fourier transform infrared spectroscopy, gas chromatography-mass spectrometry (GC-MS), and direct analysis in real time-mass spectrometry (DART-MS) were used to analyze the oxidation products. Results showed that oxidation was a feasible way to depolymerize the macromolecules in the biomass and convert hydroxyl groups to carboxyl groups. In total, 113 organic compounds in oxidation products with molecular mass less than 500 Da were identified using GC-MS. As an ambient ionization technique, DART-MS was applied to the determination of biomass derivatives and revealed mass distribution and molecular structure information for the rice husk oxidation products.

引用

页码：77 / 90

页数：14

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