JP2005062013A - 紫外線蛍光法による硫黄成分の分析方法及び分析装置 - Google Patents
紫外線蛍光法による硫黄成分の分析方法及び分析装置 Download PDFInfo
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- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 60
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000011593 sulfur Substances 0.000 title claims abstract description 55
- 238000002795 fluorescence method Methods 0.000 title claims description 25
- 238000004458 analytical method Methods 0.000 title claims description 12
- 239000007789 gas Substances 0.000 claims description 118
- 238000000034 method Methods 0.000 claims description 23
- 230000001590 oxidative effect Effects 0.000 claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 10
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 150000003464 sulfur compounds Chemical class 0.000 claims description 7
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 5
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 13
- 230000003287 optical effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 238000011410 subtraction method Methods 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002189 fluorescence spectrum Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0059—Avoiding interference of a gas with the gas to be measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0013—Sample conditioning by a chemical reaction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0042—SO2 or SO3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
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- Y10T436/00—Chemistry: analytical and immunological testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
【解決手段】 試料ガスGに紫外線を照射し、それに伴い発光する蛍光を紫外線蛍光分析計2により検出して試料ガス中のSO2 濃度を測定するにあたり、試料ガス導入配管1の途中に分岐接続した配管6を通して試料ガスG中にO3 を添加してNOをNO2 に酸化させるようにしている。
【選択図】 図1
Description
図1は本発明に係る紫外線蛍光法による硫黄成分の分析方法に用いる第1の実施形態による分析装置全体の概要を示す構成図である。同図において、1は測定対象のSO2 等硫黄成分及び干渉成分であるNOを含む自動車エミッションなどの試料ガスGを紫外線蛍光分析計2に導入する導入配管であり、その途中には試料ガスG中に混入している異物を除去する物理的なフィルタ3及び流量調整弁4が介在されている。この導入配管2の流量調整弁4の下流部には、オゾンジェネレータ5により純酸素(以下、O2 と記載する)から生成されたオゾン(以下、O3 と記載する)の供給流量を調整可能な流量調整弁25付きのO3 供給配管6が連通接続されており、この供給配管6を経て導入配管1内を流れる試料ガスG中にO3 を添加し混合することにより、試料ガスG中に含まれているNOをO3
との反応によりNO2 に酸化させる手段が構成されている。
に酸化された後、紫外線蛍光分析計2のセル内に導入されることになり、試料ガス中の全硫黄成分の濃度が測定される一方、前記弁23,24の切り替えにより前処理部16の第2のガスライン20に試料ガスGを流す場合は、試料ガスGがダミー管19を通過するとき、その試料ガス中のH2 SやCS2 などの硫黄化合物はSO2 に酸化されないままで紫外線蛍光分析計2のセル内に導入されることになり、試料ガス中のSO2 のみの濃度が測定される。すなわち、前処理部16における第1及び第2のガスライン18,20を切り替えるだけで、試料ガス中の全硫黄成分の濃度測定とSO2 のみの濃度測定といった二種の濃度測定に簡単かつ任意に切り替えて用いることができる。
2 紫外線蛍光分析計
5 オゾンジェネレータ
6 O3 供給配管
16 前処理部
18 第1のガスライン
20 第2のガスライン
23,24 弁
G 試料ガス
O3 オゾン
Claims (6)
- 試料ガスに紫外線を照射し、この紫外線照射により発光する蛍光を検出して試料ガス中の少なくとも二酸化硫黄を含めた硫黄成分の濃度を測定する紫外線蛍光法による硫黄成分の分析方法であって、
試料ガス中の干渉成分である一酸化窒素を二酸化窒素に酸化させた後に、その試料ガスに紫外線を照射することを特徴とする紫外線蛍光法による硫黄成分の分析方法。 - 前記試料ガスにオゾンを添加することにより、干渉成分である一酸化窒素を二酸化窒素に酸化させる請求項1に記載の紫外線蛍光法による硫黄成分の分析方法。
- 試料ガスの導入配管と、この導入配管に接続配置されて試料ガスに紫外線を照射し、それに伴い発光する蛍光を検出して試料ガス中の少なくとも二酸化硫黄を含めた硫黄成分の濃度を測定する紫外線蛍光分析計とを備えている紫外線蛍光法による硫黄成分の分析装置であって、
前記導入配管の途中またはその直後位置に、試料ガス中の干渉成分である一酸化窒素を二酸化窒素に酸化させる手段が設けられていることを特徴とする紫外線蛍光法による硫黄成分の分析装置。 - 前記した一酸化窒素を二酸化窒素に酸化させる手段が、前記導入配管内を流れる試料ガスにオゾンを添加する手段である請求項3に記載の紫外線蛍光法による硫黄成分の分析装置。
- 前記導入配管及び紫外線蛍光分析計における試料室を、少なくとも試料ガス中の水分が凝縮しない温度範囲に加熱保持する加熱手段が設けられている請求項3または4に記載の紫外線蛍光法による硫黄成分の分析装置。
- 前記紫外線蛍光分析計への直前位置に、第1のガスラインと第2のガスラインとこれら第1及び第2のガスラインへの試料ガスの流れを切り替える弁とを有する前処理部が設けられ、前記第1のガスラインには、試料ガス中の硫黄化合物を二酸化硫黄に酸化する手段が設けられている請求項3ないし5のいずれかに記載の紫外線蛍光法による硫黄成分の分析装置。
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JP2003293023A JP4025702B2 (ja) | 2003-08-13 | 2003-08-13 | 紫外線蛍光法による硫黄成分の分析方法及び分析装置 |
DE602004028556T DE602004028556D1 (de) | 2003-08-13 | 2004-06-30 | Analyse-Verfahren und -Vorrichtung zur Messung von Konzentrationen von Schwefelverbindungen mittels ultravioletter Fluoreszenz |
EP04015351A EP1507140B1 (en) | 2003-08-13 | 2004-06-30 | Analysis method and apparatus for measuring concentrations of sulfur components using ultraviolet fluorescence |
EP10001420.8A EP2182344B1 (en) | 2003-08-13 | 2004-06-30 | Analysis method and apparatus for measuring concentrations of sulfur components using ultraviolet fluorescence |
US10/917,903 US7427378B2 (en) | 2003-08-13 | 2004-08-13 | Analysis method and apparatus for sulfur component using ultraviolet fluorescence |
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JP2003293023A JP4025702B2 (ja) | 2003-08-13 | 2003-08-13 | 紫外線蛍光法による硫黄成分の分析方法及び分析装置 |
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Cited By (8)
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JP2005207793A (ja) * | 2004-01-21 | 2005-08-04 | Hitachi Zosen Corp | ガス成分計測装置および排ガス排出設備 |
JP2006322863A (ja) * | 2005-05-20 | 2006-11-30 | Horiba Ltd | 硫黄化合物の分析方法及び分析装置 |
JP2008292220A (ja) * | 2007-05-23 | 2008-12-04 | Tokyo Metropolitan Univ | レーザ誘起蛍光法による大気中の窒素酸化物濃度測定方法及び装置 |
JP2009300203A (ja) * | 2008-06-12 | 2009-12-24 | Mitsubishi Chemical Analytech Co Ltd | 硫黄の分析方法および分析装置 |
JP2013040825A (ja) * | 2011-08-12 | 2013-02-28 | Jfe Steel Corp | 分析方法及び分析装置 |
JP2013040826A (ja) * | 2011-08-12 | 2013-02-28 | Jfe Steel Corp | 分析方法及び分析装置 |
WO2015181879A1 (ja) * | 2014-05-27 | 2015-12-03 | 富士電機株式会社 | ガス分析計 |
CN113189089A (zh) * | 2021-03-19 | 2021-07-30 | 四川轻化工大学 | 一种臭氧检测试剂及其制备装置和制备方法 |
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JP2010048582A (ja) * | 2008-08-19 | 2010-03-04 | Mitsubishi Chemical Analytech Co Ltd | 硫黄の分析方法および分析装置 |
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WO2018160971A1 (en) * | 2017-03-03 | 2018-09-07 | Max Analytical Technologies, Inc. | System and method for impurity detection in beverage grade gases |
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- 2004-06-30 EP EP04015351A patent/EP1507140B1/en not_active Expired - Fee Related
- 2004-06-30 EP EP10001420.8A patent/EP2182344B1/en not_active Expired - Fee Related
- 2004-08-13 US US10/917,903 patent/US7427378B2/en active Active
Cited By (11)
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JP2005207793A (ja) * | 2004-01-21 | 2005-08-04 | Hitachi Zosen Corp | ガス成分計測装置および排ガス排出設備 |
JP4671607B2 (ja) * | 2004-01-21 | 2011-04-20 | 日立造船株式会社 | ガス成分計測装置および排ガス排出設備 |
JP2006322863A (ja) * | 2005-05-20 | 2006-11-30 | Horiba Ltd | 硫黄化合物の分析方法及び分析装置 |
JP2008292220A (ja) * | 2007-05-23 | 2008-12-04 | Tokyo Metropolitan Univ | レーザ誘起蛍光法による大気中の窒素酸化物濃度測定方法及び装置 |
JP2009300203A (ja) * | 2008-06-12 | 2009-12-24 | Mitsubishi Chemical Analytech Co Ltd | 硫黄の分析方法および分析装置 |
JP2013040825A (ja) * | 2011-08-12 | 2013-02-28 | Jfe Steel Corp | 分析方法及び分析装置 |
JP2013040826A (ja) * | 2011-08-12 | 2013-02-28 | Jfe Steel Corp | 分析方法及び分析装置 |
WO2015181879A1 (ja) * | 2014-05-27 | 2015-12-03 | 富士電機株式会社 | ガス分析計 |
JP6024856B2 (ja) * | 2014-05-27 | 2016-11-16 | 富士電機株式会社 | ガス分析計 |
CN113189089A (zh) * | 2021-03-19 | 2021-07-30 | 四川轻化工大学 | 一种臭氧检测试剂及其制备装置和制备方法 |
CN113189089B (zh) * | 2021-03-19 | 2022-05-17 | 四川轻化工大学 | 一种臭氧检测试剂及其制备装置和制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1507140B1 (en) | 2010-08-11 |
EP1507140A1 (en) | 2005-02-16 |
US20050079625A1 (en) | 2005-04-14 |
US7427378B2 (en) | 2008-09-23 |
JP4025702B2 (ja) | 2007-12-26 |
EP2182344B1 (en) | 2017-09-13 |
EP2182344A1 (en) | 2010-05-05 |
DE602004028556D1 (de) | 2010-09-23 |
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