热解产物逸出行为研究中新型内标释放装置的建立及其应用

引用本文: 朱文辉, 杨柳, 陈永宽, 杨继, 刘汗青, 缪明明. 热解产物逸出行为研究中新型内标释放装置的建立及其应用[J]. 色谱, 2017, 35(2): 211-215. doi: 10.3724/SP.J.1123.2016.09029 shu

Citation: ZHU Wenhui, YANG Liu, CHEN Yongkuan, YANG Ji, LIU Hanqing, MIAO Mingming. Establishment of device used to release internal standard and its application to analysis of evolved behavior of pyrolysis products[J]. Chinese Journal of Chromatography, 2017, 35(2): 211-215. doi: 10.3724/SP.J.1123.2016.09029 shu

热解产物逸出行为研究中新型内标释放装置的建立及其应用

朱文辉 ^1, ,
杨柳 ^2, ,
陈永宽 ^2, ,
杨继 ^2, ,
刘汗青 ^3, ,
缪明明 ^2,

1.
海南红塔卷烟有限责任公司, 海南海口 571137;
2.
云南中烟工业有限责任公司, 云南昆明 650106;
3.
瑞丽出入境检验检疫局, 云南瑞丽 678600
基金项目:
中国烟草总公司科技重大专项（110201401017（XX-05））.

摘要: 实验在流动载气-液滴微萃取（GF-LDME）技术的基础上增加了液滴托附装置，设计并建立了内标物释放和热解产物富集的新型联用装置，使内标物和热解产物在相同条件下完成液滴的萃取和富集，实现了各温度段间目标热解产物相对含量的纵向比较。实验利用热重模拟咖啡生豆的烘焙过程，同时利用联用装置结合气相色谱-质谱研究了咖啡生豆在热重程序升温过程中发生的热解反应及其热解产物的逸出行为。热重条件：初始温度为50℃；以10℃/min升温至500℃；空气为载气。结果表明，在100~400℃范围内共发现13个热解产物，在280~300℃温度段，逸出量达到峰值的热解产物包括羟基丙酮、吡啶、糠醇、γ-丁内酯和正戊醛；在300~320℃温度段，逸出量达到峰值的热解产物包括乙酸、苯酚、2-环戊烯酮和愈创木酚。建立的联用装置在热解产物的逸出行为研究中具有明显优势。

关键词:

English

Establishment of device used to release internal standard and its application to analysis of evolved behavior of pyrolysis products

1.
Hainan Hongta Cigarette Co., Ltd., Haikou 571137, China;
2.
China Tobacco Yunnan Industrial Co., Ltd., Kunming 650106, China;
3.
Ruili Entry-Exit Inspection and Quarantine Bureau, Ruili 678600, China
Received Date: 12 September 2016
Fund Project:
China National Tobacco Corporation of Science and Technology Major Project (No. 110201401017 (XX-05)).

Abstract: Internal standard was applied to the analysis of evolved behavior of pyrolysis products. Liquid drop supporting device of gas flow-liquid drop microextraction (GF-LDME) was improved. The coupling device used to release internal standard and enrich the pyrolysis products was established. The internal standard and pyrolysis products were extracted into liquid drop under the same conditions. Coupled the device with gas chromatography-mass spectrometer (GC-MS), the comparison of relative amount for each pyrolysis product between different temperature ranges was achieved. The evolved behavior of pyrolysis products for green coffee beans was investigated. The experiments were conducted at a flowing air rate of 200 mL/min and a heating rate of 10℃/min. Identification of 13 pyrolysis products between 100℃ and 400℃ and the monitoring of evolved behavior were carried out. The hydroxyacetone, azabenzene, furfuryl alcohol, γ-butyrolactone and n-valeraldehyde evolved reached to a maximum evolved quantity at 280-300℃, while acetic acid, phenol, 2-cyclopentenone, 2-methoxyphenol evolved reached to a maximum quantity at 300-320℃. The method has obvious advantages in the analysis of complex pyrolysis products.

Key words:

gas flow-liquid drop microextraction (GF-LDME)
/ thermogravimetry (TG)
/ analysis of evolved behavior
/ internal standard release device
/ pyrolysis
/ green coffee beans

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沈阳化工大学材料科学与工程学院沈阳 110142

热解产物逸出行为研究中新型内标释放装置的建立及其应用

English

Establishment of device used to release internal standard and its application to analysis of evolved behavior of pyrolysis products

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

热解产物逸出行为研究中新型内标释放装置的建立及其应用

English

Establishment of device used to release internal standard and its application to analysis of evolved behavior of pyrolysis products

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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