Four-spectrometer combined analytical instrument suitable for complex chemical samples

An analytical instrument and chemical technology, which is applied in the field of analytical instruments for detecting and analyzing complex components, and can solve the problems of lack of capture and analysis.

Inactive Publication Date: 2015-10-28
SUZHOU EUROPOD PRECISION INSTR TECH CO LTD
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  • Abstract
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Problems solved by technology

In some environmental sampling, the cost in the sample is very complicated. In addition to the predictable substances that may exist, there are many unknown components. At present, analysts only rely on the data displayed by the GC-MS instrument. Unpredictable ingredients are lack of capture and analysis

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  • Four-spectrometer combined analytical instrument suitable for complex chemical samples

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Embodiment Construction

[0014] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0015] see figure 1 , a quadruple analytical instrument suitable for complex chemical samples described in a preferred embodiment of the present invention, comprising a gas chromatograph 1, a mass spectrometer 2, a nuclear magnetic resonance spectrometer 3 and an infrared spectrometer 4, the gas chromatograph The detector comprises a thermal conductivity detector, the gas chromatograph has a split flow port 11, the mass spectrometer is connected with the split flow port of the gas chromatograph through a first connection pipe 51, and the mass spectrometer is located at the gas chromatograph Afterwards, the first connecting pipe is communicated with a helium gas source 6, ...

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Abstract

The invention relates to a four-spectrometer combined analytical instrument suitable for complex chemical samples. The four-spectrometer combined analytical instrument comprises a gas chromatograph, a mass spectrometer, a nuclear magnetic resonance spectrometer and an infrared spectrometer. A detector of the gas chromatograph comprises a thermal conductivity detector, and the gas chromatograph is provided with a shunt connector. The mass spectrometer is connected with the shunt connector of the gas chromatograph through a first connecting pipe, and the first connecting pipe is communicated with a helium source. The mass spectrometer is provided with a first vent connector. The nuclear magnetic resonance spectrometer is connected with the first vent connector of the mass spectrometer through a second connecting pipe, and a first vacuum pump is arranged on the second connecting pipe. The nuclear magnetic resonance spectrometer is provided with a second vent connector. The infrared spectrometer is connected with the second vent connector of the nuclear magnetic resonance spectrometer through a third connecting pipe, and a second vacuum pump is arranged on the third connecting pipe. In the modes of helium conveying and vacuum conveying, the samples are automatically and sequentially made to pass through the gas chromatograph, the mass spectrometer, the nuclear magnetic resonance spectrometer and the infrared spectrometer, and unpredictable components in the samples can be found.

Description

technical field [0001] The invention relates to a data analysis device for samples in the chemical industry, in particular to an analysis instrument for detecting and analyzing complex components. Background technique [0002] Mass spectrometry can perform effective qualitative analysis, but it is powerless for the analysis of complex organic compounds; while chromatography is an effective separation and analysis method for organic compounds, especially suitable for quantitative analysis of organic compounds, but qualitative analysis is more difficult. difficulty. Therefore, the effective combination of the two will provide chemists and biochemists with an efficient qualitative and quantitative analysis tool for complex organic compounds. A technique that combines the two methods is called a mass spectrometer, and an instrument that combines a gas chromatograph and a mass spectrometer is called a gas chromatography spectrometer. However, the high-efficiency and quantitativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/88G01N35/00
Inventor 秦绪阳于浩郑钢
Owner SUZHOU EUROPOD PRECISION INSTR TECH CO LTD
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