Sample analysis for signals, quality abundance and ratio of hydrocarbon compound and sulfide in Co2

A sulfide, mass number technology, used in coal, environmental protection, human medicine, natural gas, animal and plant research, and petroleum fields, can solve problems such as single, insufficient detailed expression of carbon dioxide sources, and achieve the effect of easy operation

Inactive Publication Date: 2017-01-11
LANZHOU CENT FOR OIL & GAS RESOURCES INST OF GEOLOGY & GEOPHYSICS CAS
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  • Application Information

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Problems solved by technology

However, in animals and plants with rich sources of carbon dioxide, it is obvious that a C of carbon dioxid

Method used

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  • Sample analysis for signals, quality abundance and ratio of hydrocarbon compound and sulfide in Co2
  • Sample analysis for signals, quality abundance and ratio of hydrocarbon compound and sulfide in Co2
  • Sample analysis for signals, quality abundance and ratio of hydrocarbon compound and sulfide in Co2

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Embodiment Construction

[0019] Analyze CO in one injection 2 Medium hydrocarbon, sulfide signal and mass abundance value and ratio, including the following steps:

[0020] (1) The carrier gas with a purity greater than 99.99% flows into the purifier at a pressure of 0.40~0.60 MPa, so that the purified carrier gas has a purity greater than 99.999%.

[0021] Wherein: the carrier gas is hydrogen or helium.

[0022] (2) The purified carrier gas passes through the time-programmed six-port injection valve set in the chromatograph-mass spectrometer (GC-FID-FPD-MSD), and enters the porous polymer pellet chromatograph where the sample to be tested has been placed through the injection port. In the column, after adsorption and desorption at a temperature of 30-50 ° C, the CO in the sample to be measured 2 Through the four-way metal parts, it enters the flame ionization detector FID, the flame photometric detector FPD, and the mass selective detector MSD for detection, and respectively obtains MSD ion flow ch...

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Abstract

The invention relates to a sample analysis for signals, quality abundance and ratio of hydrocarbon compound and sulfide in CO2, comprising the steps of (1) carrying airflow into purifier to make the purity of purified carrier gas exceed 99.999%; (2) putting the purified carrier gas into the multi-hole high polymer small chromatographic column with the already placed sample to be tested, through the adsorption-desorption, after CO2 of the sample to be tested successively entering into flame ionization detector FID, flame photometric detector FPD and mass selective detector MSD, performing detection to respectively obtain MSD ion chromatogram, FID hydrocarbon compound chromatogram and FPD sulfide chromatogram and then the signal area of hydrocarbon compound and sulfide, quality abundance of 12C, 16O, 22CO2, 28CO2, 44CO2, 45CO2, 46CO2 and 47CO2 as well as 25 stable carbon dioxide gases in CO2. The invention is simple and easy to operate, which can be applied in non-traumatic detection in human health, human medicine and plant and animal studies, and also in such fields as oil, natural gas, coal and environmental protection.

Description

technical field [0001] The present invention relates to technical fields such as human medicine, animal and plant research, petroleum, natural gas, coal, environmental protection, etc., especially relates to one-time sampling analysis of CO 2 Medium hydrocarbon and sulfide signals and mass abundance values ​​and ratios. Background technique [0002] Carbon dioxide is a common greenhouse gas in the air and is considered to be the main source of exacerbating the greenhouse effect. Previously in this field by detecting the C of carbon dioxide 13 / C 12 isotope ratios to identify the source of carbon dioxide. However, in animals and plants with rich sources of carbon dioxide, it is obvious that a C of carbon dioxide 13 / C 12 The comparison of the isotope ratios of the carbon dioxide is too simple to express the source of carbon dioxide in detail. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a simple and easy ...

Claims

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Application Information

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IPC IPC(8): G01N30/88
CPCG01N30/88
Inventor 潘旭
Owner LANZHOU CENT FOR OIL & GAS RESOURCES INST OF GEOLOGY & GEOPHYSICS CAS
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