Flexible Device for Direct Analysis in Real Time without Grid Electrode for Mass Spectrometric Analysis

被引：1
作者：
Han Yu-Liang [1 ]
Zhang Yao-Li [1 ]
Yang Yu-Hui [1 ]
Huang Yu-Yu [1 ]
Xu Xu [1 ]
机构：
[1] Shanghai Inst Technol, Sch Chem & Environm Engn, Shanghai 201418, Peoples R China
来源：
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2015年 / 43卷 / 03期
关键词：
Direct analysis in real time; Device; Mass spectrometry; RAPID IDENTIFICATION; ION-SOURCE; PLASMA; IONIZATION; PRESSURE; PROBE;
D O I：
10.1016/S1872-2040(15)60813-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A flexible and simple direct analysis in real-time (DART) device was developed without grid electrode for mass spectrometer injection. It contained inert carrier gas, ionizer, heater and temperature-controller etc. By excluding the grid electrode and then reducing the structure units, the device could be easy to build up in low cost and flexible to connect with a variety of mass spectrometers. Under the optimum experimental conditions including argon carrier gas with a flow rate of 7.5 L min(-1), and heat tape temperature of 300 degrees C, the device was used to analyze benzene alcohol, linoleic acid, dichlorvos emulsion, mosquito coils, citrus peel, and sample (propranolol hydrochloride) on thin-layer plate combined with mass spectrometer. The results were accurate and showed the device was stable and reliable.
引用
收藏
页码：451 / 456
页数：6
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