JP2007526487A - 吸着管を特徴付ける方法およびシステム - Google Patents
吸着管を特徴付ける方法およびシステム Download PDFInfo
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- JP2007526487A JP2007526487A JP2007502064A JP2007502064A JP2007526487A JP 2007526487 A JP2007526487 A JP 2007526487A JP 2007502064 A JP2007502064 A JP 2007502064A JP 2007502064 A JP2007502064 A JP 2007502064A JP 2007526487 A JP2007526487 A JP 2007526487A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 title description 24
- 239000012159 carrier gas Substances 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000003463 adsorbent Substances 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims description 14
- 239000012491 analyte Substances 0.000 description 12
- 238000003795 desorption Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 238000004587 chromatography analysis Methods 0.000 description 7
- 239000012855 volatile organic compound Substances 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 239000000945 filler Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/89—Inverse chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/28—Control of physical parameters of the fluid carrier
- G01N30/32—Control of physical parameters of the fluid carrier of pressure or speed
- G01N2030/324—Control of physical parameters of the fluid carrier of pressure or speed speed, flow rate
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/50—Conditioning of the sorbent material or stationary liquid
- G01N30/52—Physical parameters
- G01N2030/524—Physical parameters structural properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/62—Detectors specially adapted therefor
- G01N2030/626—Detectors specially adapted therefor calibration, baseline
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
Description
Boは、比透過係数であり、
ηは、管を流れるガスの粘度であり、
eは、吸着剤充填剤の粒子間空隙率であり、
Lは、管の長さであり
piは、管入口の絶対ガス圧力であり、
poは、管出口の絶対ガス圧力であり、
uoは、圧力poでの管出口のガス速度である。
次に、充填剤の粒子間空隙率eは、以下の式により表すことができる。
Viは、粒子間体積であり、
Vcは、空の管の体積である。
管出口のガス速度uoは、式1を整理し直すことにより以下のように表すことができる。
Fo=uo・Ai (5)
式中、Aiは、粒子間面積である。粒子間面積対開放管面積の比は、以下の式に示されているように、(式2により、充填空隙率に等しい)体積比と同じでなければならない。
Ai=Ac・ε (7)
そこで、式7を式5に代入すると、体積流量の以下の表現が得られる。
Fo=uo・Ac・ε (8)
円柱管の断面積Acは、
Faは、周囲圧力および温度での等価な流量であり、
paは、周囲絶対圧力であり、
Taは、周囲絶対温度であり、
Toは、管出口の絶対温度である。
したがって、式11は、以下の式となる。
22 キャニスタ
24 ヘッドスペース用バイアル
26 入口
30 容器
32 吸着剤
34 加熱要素
40 クロマトグラフカラム
100 吸着管
102 吸着剤トラップ
104 クロマトグラフカラム
106 回転弁
108 キャリアガス入口
110 吸着剤
112 排出口
114 誘導弁
120 第1の端
122 第2の端
130 入口
132 導管
140 吸着剤
142 排出口
144 弁
146 入口
148 導管
150 入口
152 導管
154 出口
160 弁
200、204 流量コントローラ
206、208 変換器
220 弁
230 順方向圧力調整器
232 逆圧調整器
Claims (7)
- 方法であって、
吸着剤が中に配置され、キャリアガスを容器内に通して伝達するための入口および出口を有する容器を備える段階と、
前記出口のところの知られている流量に関する前記入口と前記出口との間の差圧を決定する段階と、
前記知られている流量と前記差圧との比に基づいて前記容器の幾何学的尺度を決定する段階と、を含む方法。 - 差圧を決定することは、前記差圧に関係する測定を行うための少なくとも1つのセンサを備えることを含む、請求項1に記載の方法。
- 幾何学的尺度を決定することは、前記キャリアガスの粘度を決められた比に分けることを含む、請求項1に記載の方法。
- 前記容器は吸着剤トラップを含む、請求項1に記載の方法。
- 前記容器はサンプル管を含む、請求項1に記載の方法。
- さらに、
出力のところのガス圧力と周囲圧力との比に基づく係数を使用して周囲圧力における流量を決定する段階と、
出力のところの温度と周囲温度との比に基づく係数を使用して周囲温度における流量を決定する段階と、のうちの少なくとも一方を含む、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52117904P | 2004-03-04 | 2004-03-04 | |
PCT/US2005/007260 WO2005088296A1 (en) | 2004-03-04 | 2005-03-04 | Methods and systems for characterizing a sorbent tube |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007526487A true JP2007526487A (ja) | 2007-09-13 |
JP4685856B2 JP4685856B2 (ja) | 2011-05-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007502064A Active JP4685856B2 (ja) | 2004-03-04 | 2005-03-04 | 吸着管を特徴付ける方法およびシステム |
Country Status (5)
Country | Link |
---|---|
US (5) | US7168296B2 (ja) |
EP (1) | EP1721155B1 (ja) |
JP (1) | JP4685856B2 (ja) |
KR (1) | KR100815999B1 (ja) |
WO (1) | WO2005088296A1 (ja) |
Cited By (1)
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JP2014106159A (ja) * | 2012-11-28 | 2014-06-09 | Fis Inc | 気体成分吸着管、気体成分採取装置及び気体成分採取方法。 |
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- 2005-03-04 WO PCT/US2005/007260 patent/WO2005088296A1/en active Application Filing
- 2005-03-04 EP EP20050724744 patent/EP1721155B1/en active Active
- 2005-03-04 US US11/072,371 patent/US7168296B2/en active Active
- 2005-03-04 KR KR1020067020215A patent/KR100815999B1/ko active IP Right Grant
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JP2014106159A (ja) * | 2012-11-28 | 2014-06-09 | Fis Inc | 気体成分吸着管、気体成分採取装置及び気体成分採取方法。 |
Also Published As
Publication number | Publication date |
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US20050193802A1 (en) | 2005-09-08 |
KR100815999B1 (ko) | 2008-03-21 |
US20090000481A1 (en) | 2009-01-01 |
US20070068385A1 (en) | 2007-03-29 |
JP4685856B2 (ja) | 2011-05-18 |
EP1721155A1 (en) | 2006-11-15 |
US20070295057A1 (en) | 2007-12-27 |
EP1721155B1 (en) | 2015-05-06 |
US20050210957A1 (en) | 2005-09-29 |
US7422625B2 (en) | 2008-09-09 |
US7168296B2 (en) | 2007-01-30 |
US7111494B2 (en) | 2006-09-26 |
WO2005088296A1 (en) | 2005-09-22 |
US7267709B2 (en) | 2007-09-11 |
KR20070006807A (ko) | 2007-01-11 |
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