Chromatographic sample introduction two-stage thermal desorption apparatus and method thereof
The invention discloses a chromatographic sample introduction two-stage thermal desorption apparatus. The apparatus is characterized in that a first stable flow valve is connected with a first solenoid valve, the first solenoid valve is connected with a first heating device, the first heating device...
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| creator | GUO YING LU LIMIN YU HUILIANG MENG SUPIN WANG HUAIGANG HAN LINZENG WU YUNHUI ZHAO XINRAN FU SIWEI ZHAO QIANFENG XU YANXI YUAN DAWEI WANG JINGHUA LI BAOQI WANG XIANMING DING HUIFU XU DONGLIANG QIAO RUI ZHU DENGBIAO TIAN-SHAN MINZI LI RENHU |
| description | The invention discloses a chromatographic sample introduction two-stage thermal desorption apparatus. The apparatus is characterized in that a first stable flow valve is connected with a first solenoid valve, the first solenoid valve is connected with a first heating device, the first heating device is connected with a second heating device, the second heating device is connected with a third solenoid valve, the third solenoid valve is connected with a chromatography device, the third solenoid valve is also provided with a first emptying channel, a first Tenax tube is arranged in the second heating device, a gas channel m is connected with a second pressure stabilizing valve, the second pressure stabilizing valve is connected with a second solenoid valve, the second solenoid valve is connected with a fourth solenoid valve, the fourth solenoid valve is connected with a heating-refrigerating device, and the heating-refrigerating device is connected with a third solenoid valve; and the first heating device is provided with a sample introduction device, and a second Tenax tube is arranged in the heating-refrigerating device. The arrangement of a two-stage thermal desorption gas channel portion and the first heating device for making standardized serial tubes makes a sample to be detected undergo a two-stage thermal desorption process, so the concentration of the sample to be detected entering a chromatographic device is improved. |
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The apparatus is characterized in that a first stable flow valve is connected with a first solenoid valve, the first solenoid valve is connected with a first heating device, the first heating device is connected with a second heating device, the second heating device is connected with a third solenoid valve, the third solenoid valve is connected with a chromatography device, the third solenoid valve is also provided with a first emptying channel, a first Tenax tube is arranged in the second heating device, a gas channel m is connected with a second pressure stabilizing valve, the second pressure stabilizing valve is connected with a second solenoid valve, the second solenoid valve is connected with a fourth solenoid valve, the fourth solenoid valve is connected with a heating-refrigerating device, and the heating-refrigerating device is connected with a third solenoid valve; and the first heating device is provided with a sample introduction device, and a second Tenax tube is arranged in the heating-refrigerating device. The arrangement of a two-stage thermal desorption gas channel portion and the first heating device for making standardized serial tubes makes a sample to be detected undergo a two-stage thermal desorption process, so the concentration of the sample to be detected entering a chromatographic device is improved.</description><language>eng</language><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150617&DB=EPODOC&CC=CN&NR=104713967A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150617&DB=EPODOC&CC=CN&NR=104713967A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUO YING</creatorcontrib><creatorcontrib>LU LIMIN</creatorcontrib><creatorcontrib>YU HUILIANG</creatorcontrib><creatorcontrib>MENG SUPIN</creatorcontrib><creatorcontrib>WANG HUAIGANG</creatorcontrib><creatorcontrib>HAN LINZENG</creatorcontrib><creatorcontrib>WU YUNHUI</creatorcontrib><creatorcontrib>ZHAO XINRAN</creatorcontrib><creatorcontrib>FU SIWEI</creatorcontrib><creatorcontrib>ZHAO QIANFENG</creatorcontrib><creatorcontrib>XU YANXI</creatorcontrib><creatorcontrib>YUAN DAWEI</creatorcontrib><creatorcontrib>WANG JINGHUA</creatorcontrib><creatorcontrib>LI BAOQI</creatorcontrib><creatorcontrib>WANG XIANMING</creatorcontrib><creatorcontrib>DING HUIFU</creatorcontrib><creatorcontrib>XU DONGLIANG</creatorcontrib><creatorcontrib>QIAO RUI</creatorcontrib><creatorcontrib>ZHU DENGBIAO</creatorcontrib><creatorcontrib>TIAN-SHAN MINZI</creatorcontrib><creatorcontrib>LI RENHU</creatorcontrib><title>Chromatographic sample introduction two-stage thermal desorption apparatus and method thereof</title><description>The invention discloses a chromatographic sample introduction two-stage thermal desorption apparatus. The apparatus is characterized in that a first stable flow valve is connected with a first solenoid valve, the first solenoid valve is connected with a first heating device, the first heating device is connected with a second heating device, the second heating device is connected with a third solenoid valve, the third solenoid valve is connected with a chromatography device, the third solenoid valve is also provided with a first emptying channel, a first Tenax tube is arranged in the second heating device, a gas channel m is connected with a second pressure stabilizing valve, the second pressure stabilizing valve is connected with a second solenoid valve, the second solenoid valve is connected with a fourth solenoid valve, the fourth solenoid valve is connected with a heating-refrigerating device, and the heating-refrigerating device is connected with a third solenoid valve; and the first heating device is provided with a sample introduction device, and a second Tenax tube is arranged in the heating-refrigerating device. 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The apparatus is characterized in that a first stable flow valve is connected with a first solenoid valve, the first solenoid valve is connected with a first heating device, the first heating device is connected with a second heating device, the second heating device is connected with a third solenoid valve, the third solenoid valve is connected with a chromatography device, the third solenoid valve is also provided with a first emptying channel, a first Tenax tube is arranged in the second heating device, a gas channel m is connected with a second pressure stabilizing valve, the second pressure stabilizing valve is connected with a second solenoid valve, the second solenoid valve is connected with a fourth solenoid valve, the fourth solenoid valve is connected with a heating-refrigerating device, and the heating-refrigerating device is connected with a third solenoid valve; and the first heating device is provided with a sample introduction device, and a second Tenax tube is arranged in the heating-refrigerating device. The arrangement of a two-stage thermal desorption gas channel portion and the first heating device for making standardized serial tubes makes a sample to be detected undergo a two-stage thermal desorption process, so the concentration of the sample to be detected entering a chromatographic device is improved.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Chromatographic sample introduction two-stage thermal desorption apparatus and method thereof |
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