CN101907612A - Method for carrying out gas chromatography on minor components contained in finished hydrogen - Google Patents
Method for carrying out gas chromatography on minor components contained in finished hydrogen Download PDFInfo
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- CN101907612A CN101907612A CN 201010239104 CN201010239104A CN101907612A CN 101907612 A CN101907612 A CN 101907612A CN 201010239104 CN201010239104 CN 201010239104 CN 201010239104 A CN201010239104 A CN 201010239104A CN 101907612 A CN101907612 A CN 101907612A
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- hydrogen
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- finished hydrogen
- finished
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Abstract
The invention discloses a method for carrying out gas chromatography on minor components contained in finished hydrogen, belonging to the technical field of analytical chemistry. The method comprises the following steps of: separating a sample gas into two paths by increasing a tee joint; and designing a parallel-connected gas circuit by combining with the data collection function of an Agilent 6890 work station. The invention realizes the total analysis of sample components through primary sample introduction by separating the sample gas into two parallel-connected paths.
Description
Technical field
The present invention relates to a kind of method that micro-component in the finished hydrogen is carried out gas chromatographic analysis, belong to technical field of analytical chemistry.
Background technology
By the hydrogen that water gas makes through pressure swing adsorption method (PSA), wherein contained CO, CO
2, CH
4Be the microcomponent of content, need the higher flame ionization detector of sensitivity (FID) when analyzing with vapor-phase chromatography less than 1PPM; And O wherein
2, N
2On flame ionization detector (FID), do not have corresponding major constituents (PPM level), need another road thermal conductivity detector (TCD) (TCD) just can analyze.Therefore wanting to analyze this sample needs two instruments or two-way flow process and twice sample introduction just can finish.
Summary of the invention
The purpose of this invention is to provide a kind of method that micro-component in the finished hydrogen is carried out gas chromatographic analysis, realized that single injected sampling is to impurity composition CO in the finished hydrogen
2, O
2, N
2, CH
4, CO analysis.
For achieving the above object, the concrete technical scheme of the present invention's employing is as follows:
The described method that micro-component in the finished hydrogen is carried out gas chromatographic analysis comprises the steps:
1) by the increase threeway is set;
2), design gas circuit in parallel in conjunction with the data collection function of Agilent 6890 workstations;
3) sample with finished hydrogen is divided into two-way by a threeway, is entered by sample inlet 1 through six-way valve respectively, earlier through the two-way chromatographic system, wherein one the tunnel is separated into CO, CH through second post 4
4, CO
2Enter Ni conversion stove 2 behind three colour bands, with CO, CO wherein
2Change into CH
4, enter hydrogen flame ionization detector 6 again and form CO, CH
4, CO
2Three chromatographic peaks, and through 5 discharges of the first sample floss hole; Another road first post 8 is separated into O
2, N
2Enter thermal conductivity detector (TCD) 7 behind two colour bands and form O
2, N
2Two chromatographic peaks can be discharged the analysis of impurity composition in the finished hydrogen at last and through the second sample floss hole 3 to realize single injected sampling.
Wherein said impurity composition is CO
2, O
2, N
2, CH
4, CO.
The invention has the beneficial effects as follows by gas being divided into two-way in parallel and realize the total analysis of single injected sampling sample component.
Description of drawings
Fig. 1 is finished hydrogen gas chromatographic analysis process of gas path figure;
Wherein, 1-sample inlet; 2-Ni changes stove; The 3-second sample floss hole; 4-second post; The 5-first sample floss hole; The 6-hydrogen flame detector; The 7-thermal conductivity detector; 8-first post.
Embodiment
Further specify the present invention below in conjunction with embodiment and accompanying drawing, wherein the part experiment condition only is the explanation as typical case, is not limitation of the invention.
Chromatographic column Porepeak Q used in the present invention (COL2), tweezer catalyst reburner and chromatographic column 13X molecular sieve (COL1) are all buied from Anjelen Sci. ﹠ Tech. Inc.
Fig. 1 is finished hydrogen gas chromatographic analysis process of gas path figure.A kind of method that micro-component in the finished hydrogen is carried out gas chromatographic analysis on the basis of two-way independent gas circuit, is divided into two-way by increasing threeway with sample gas, in conjunction with the data collection function of Agilent 6890 workstations, designs gas circuit in parallel.
Then, the sample of finished hydrogen is divided into two-way by a threeway, enters by sample inlet 1 through six-way valve respectively,, wherein one the tunnel be separated into CO, CH through second post 4 (chromatographic column Forepeak Q) earlier through the two-way chromatographic system
4, CO
2Enter Ni conversion stove 2 behind three colour bands, with CO, CO wherein
2Change into CH
4, enter hydrogen flame ionization detector 6 again and form three chromatographic peaks (CO, CH
4, CO
2); Another road first post 8 (chromatographic column 13X molecular sieve) is separated into O
2, N
2Enter thermal conductivity detector (TCD) 7 behind two colour bands and form O
2, N
2Two chromatographic peak (O
2, N
2), to realize that single injected sampling can be to impurity composition (CO in the finished hydrogen
2, O
2, N
2, CH
4, CO) analysis.
Claims (2)
1. the method that micro-component in the finished hydrogen is carried out gas chromatographic analysis is characterized in that, described method comprises the steps:
1) by the increase threeway is set;
2), design gas circuit in parallel in conjunction with the data collection function of Agilent 6890 workstations;
3) sample with finished hydrogen is divided into two-way by a threeway, is entered by sample inlet (1) through six-way valve respectively, earlier through the two-way chromatographic system, wherein one the tunnel is separated into CO, CH through second post (4)
4, CO
2Enter Ni conversion stove (2) behind three colour bands, with CO, CO wherein
2Change into CH
4, enter hydrogen flame ionization detector (6) again and form CO, CH
4, CO
2Three chromatographic peaks; Another road first post (8) is separated into O
2, N
2Enter thermal conductivity detector (TCD) (7) behind two colour bands and form O
2, N
2Two chromatographic peaks are to realize that single injected sampling can be to the analysis of impurity composition in the finished hydrogen.
2. according to the described method of claim, it is characterized in that described impurity composition is CO
2, O
2, N
2, CH
4, CO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239104 CN101907612A (en) | 2010-07-29 | 2010-07-29 | Method for carrying out gas chromatography on minor components contained in finished hydrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239104 CN101907612A (en) | 2010-07-29 | 2010-07-29 | Method for carrying out gas chromatography on minor components contained in finished hydrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101907612A true CN101907612A (en) | 2010-12-08 |
Family
ID=43263130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010239104 Pending CN101907612A (en) | 2010-07-29 | 2010-07-29 | Method for carrying out gas chromatography on minor components contained in finished hydrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101907612A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288660A (en) * | 2011-07-25 | 2011-12-21 | 袁万德 | Combined detection method and device for detecting trace moisture and trace oxygen of industrial gas |
| CN102590419A (en) * | 2012-02-10 | 2012-07-18 | 山东先河悦新机电股份有限公司 | Device used for analyzing mixed gas in expansion tank of power transformer and based on gas chromatographic technology |
| CN102735765A (en) * | 2011-04-05 | 2012-10-17 | 横河电机株式会社 | Chromatograph |
| CN102967680A (en) * | 2012-11-26 | 2013-03-13 | 中国科学院青岛生物能源与过程研究所 | Analysis system with combined capillary tube ion chromatography and mass spectrum |
| CN114544807A (en) * | 2022-02-15 | 2022-05-27 | 中国工程物理研究院材料研究所 | Device and method for analyzing impurities in hydrogen isotope gas |
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| CN2104450U (en) * | 1991-08-17 | 1992-05-13 | 淄博矿务局机械制造厂 | Gaseous chromatograph specially for mine |
| CN101320025A (en) * | 2008-07-18 | 2008-12-10 | 上海市计算技术研究所 | Gas-chromatography detection method used for power transformer oil |
| CN201311413Y (en) * | 2008-12-15 | 2009-09-16 | 锦州变压器股份有限公司 | Gas phase chromatographic system of oil for single-way analysis transformer |
| CN201440135U (en) * | 2009-06-26 | 2010-04-21 | 河南省电力公司商丘供电公司 | Multifunctional gas chromatograph gas path flow |
-
2010
- 2010-07-29 CN CN 201010239104 patent/CN101907612A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104450U (en) * | 1991-08-17 | 1992-05-13 | 淄博矿务局机械制造厂 | Gaseous chromatograph specially for mine |
| CN101320025A (en) * | 2008-07-18 | 2008-12-10 | 上海市计算技术研究所 | Gas-chromatography detection method used for power transformer oil |
| CN201311413Y (en) * | 2008-12-15 | 2009-09-16 | 锦州变压器股份有限公司 | Gas phase chromatographic system of oil for single-way analysis transformer |
| CN201440135U (en) * | 2009-06-26 | 2010-04-21 | 河南省电力公司商丘供电公司 | Multifunctional gas chromatograph gas path flow |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735765A (en) * | 2011-04-05 | 2012-10-17 | 横河电机株式会社 | Chromatograph |
| CN102288660A (en) * | 2011-07-25 | 2011-12-21 | 袁万德 | Combined detection method and device for detecting trace moisture and trace oxygen of industrial gas |
| CN102288660B (en) * | 2011-07-25 | 2014-11-05 | 袁万德 | Combined detection method and device for detecting trace moisture and trace oxygen of industrial gas |
| CN102590419A (en) * | 2012-02-10 | 2012-07-18 | 山东先河悦新机电股份有限公司 | Device used for analyzing mixed gas in expansion tank of power transformer and based on gas chromatographic technology |
| CN102590419B (en) * | 2012-02-10 | 2014-08-06 | 山东先河悦新机电股份有限公司 | Device used for analyzing mixed gas in expansion tank of power transformer and based on gas chromatographic technology |
| CN102967680A (en) * | 2012-11-26 | 2013-03-13 | 中国科学院青岛生物能源与过程研究所 | Analysis system with combined capillary tube ion chromatography and mass spectrum |
| CN102967680B (en) * | 2012-11-26 | 2014-12-10 | 中国科学院青岛生物能源与过程研究所 | Analysis system with combined capillary tube ion chromatography and mass spectrum |
| CN114544807A (en) * | 2022-02-15 | 2022-05-27 | 中国工程物理研究院材料研究所 | Device and method for analyzing impurities in hydrogen isotope gas |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20101208 |
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