WO2005008237A1 - ディーゼル粒子中のニトロ多環芳香族炭化水素の分析装置と分析方法 - Google Patents
ディーゼル粒子中のニトロ多環芳香族炭化水素の分析装置と分析方法 Download PDFInfo
- Publication number
- WO2005008237A1 WO2005008237A1 PCT/JP2004/009815 JP2004009815W WO2005008237A1 WO 2005008237 A1 WO2005008237 A1 WO 2005008237A1 JP 2004009815 W JP2004009815 W JP 2004009815W WO 2005008237 A1 WO2005008237 A1 WO 2005008237A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polycyclic aromatic
- column
- aromatic hydrocarbon
- section
- nitro polycyclic
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 14
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 title abstract description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 title abstract 3
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- 229910018967 Pt—Rh Inorganic materials 0.000 claims abstract description 3
- 238000004458 analytical method Methods 0.000 claims description 7
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 claims description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 8
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 229960001866 silicon dioxide Drugs 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- ALRLPDGCPYIVHP-UHFFFAOYSA-N 1-nitropyrene Chemical compound C1=C2C([N+](=O)[O-])=CC=C(C=C3)C2=C2C3=CC=CC2=C1 ALRLPDGCPYIVHP-UHFFFAOYSA-N 0.000 description 2
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000002038 chemiluminescence detection Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 238000001917 fluorescence detection Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- TXVHTIQJNYSSKO-UHFFFAOYSA-N BeP Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC4=CC=C1C2=C34 TXVHTIQJNYSSKO-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 238000000944 Soxhlet extraction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
- QVRVXSZKCXFBTE-UHFFFAOYSA-N n-[4-(6,7-dimethoxy-3,4-dihydro-1h-isoquinolin-2-yl)butyl]-2-(2-fluoroethoxy)-5-methylbenzamide Chemical compound C1C=2C=C(OC)C(OC)=CC=2CCN1CCCCNC(=O)C1=CC(C)=CC=C1OCCF QVRVXSZKCXFBTE-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- G01N30/02—Column chromatography
- G01N30/26—Conditioning of the fluid carrier; Flow patterns
- G01N30/38—Flow patterns
- G01N30/46—Flow patterns using more than one column
- G01N30/461—Flow patterns using more than one column with serial coupling of separation columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/281—Sorbents specially adapted for preparative, analytical or investigative chromatography
- B01J20/286—Phases chemically bonded to a substrate, e.g. to silica or to polymers
- B01J20/287—Non-polar phases; Reversed phases
-
- 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
- G01N30/04—Preparation or injection of sample to be analysed
- G01N30/06—Preparation
- G01N2030/062—Preparation extracting sample from raw material
-
- 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
- G01N30/84—Preparation of the fraction to be distributed
- G01N2030/8405—Preparation of the fraction to be distributed using pyrolysis
-
- 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
- G01N30/88—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86
- G01N2030/8809—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample
- G01N2030/884—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample organic compounds
- G01N2030/8854—Integrated analysis systems specially adapted therefor, not covered by a single one of the groups G01N30/04 - G01N30/86 analysis specially adapted for the sample organic compounds involving hydrocarbons
Definitions
- the present invention relates to an analyzer and a method for analyzing nitropolycyclic aromatic hydrocarbons in airborne particulate matter, and in particular, to analysis of nitropolycyclic aromatic hydrocarbons in diesel particles discharged from diesel engine power and the like. It relates to an apparatus and an analysis method.
- Diesel particles contained in the exhaust of a diesel engine are condensed and agglomerated unburned components of fuel and lubricating oil. It is a complex complex mixture of insoluble components (hereinafter abbreviated as ISOF) such as sulfates and nitrates, elemental carbon, and metals that do not dissolve in water. It is known that its composition is strongly affected by various factors such as fuel and lubricating oil, engine type, and operating conditions. Nitro-polycyclic aromatic hydrocarbons such as dinitroarenes are contained in SOF in diesel particles, and although they are very small, they are second only to benzo (a) pyrene because of their high carcinogenicity. Recently, the analysis method has been studied.
- Typical methods for analyzing nitropolycyclic aromatic hydrocarbons include extraction with an organic solvent for SOF separation and concentration / drying to improve the analysis sensitivity, and high-performance liquid chromatography-fluorescence detector. And a pretreatment step for high-sensitivity detection with a high-performance liquid chromatograph, a light-emitting detector, etc. (see Patent Document 1).
- Patent Document 2 discloses a sample introducing section for introducing a sample containing dinitroarene, an active hydrogen-inducing type metal catalyst column provided after the sample introducing section and reducing dinitroarene, and a metal catalyst column described above.
- a dinitroarene analyzer comprising a separation column for a liquid chromatograph provided at a subsequent stage for separating reduced components, and a detection unit for detecting a separated and reduced component at a stage subsequent to the separation column is disclosed.
- Patent Document 3 discloses a reduction column for reducing nitrogen-containing organic substances, a separation column for separating the nitrogen-containing organic substances, and a method for detecting the reduced and separated nitrogen-containing organic substances by chemiluminescence.
- a means for adding a chemiluminescent reaction reagent to the Means for setting the temperature to 50 ° C. discloses a nitrogen-containing organic substance analyzer for reducing the nitrogen-containing organic substance at the temperature of 90 to 150 ° C.
- the reduction column is arranged at the subsequent stage of the separation column, and the reduction column is a platinum black reduction column.
- Patent Document 1 JP-A-2000-249633
- Patent Document 2 Japanese Patent Application Laid-Open No. 7-253420
- Patent Document 3 Japanese Patent Application Laid-Open No. 2001-21497
- the present invention provides a high-performance liquid chromatograph-fluorescence detector analysis method capable of analyzing nitro polycyclic aromatic hydrocarbons quickly and with high sensitivity.
- the present invention provides, as a basic means, an analyzer for nitro polycyclic aromatic hydrocarbons, which comprises an isomer for separating isomers of nitro polycyclic aromatic hydrocarbons.
- the present invention provides an apparatus and a method for efficiently and accurately analyzing nitropolycyclic aromatic hydrocarbons in diesel particles contained in exhaust gas of a diesel engine. The ability to do S.
- FIG. 1 is a flowchart showing an embodiment of the present invention.
- FIG. 1 is an explanatory view showing an example of an apparatus and method for analyzing nitro polycyclic aromatic hydrocarbons in diesel particles according to the present invention.
- the analyzer generally designated by reference numeral 1 has a methanol supply device 10, a degassing device 11, and a supply pump 13, and sends degassed methanol to a mixing tank 20. Similarly, it has a water supply device 15, a degassing device 16, and a pump 17, and sends degassed water to the mixing tank 20.
- the methanol water mixed quantitatively in the mixing tank 20 is sent to the autosampler 120
- step S10 an initial weight of a 70 mm diameter Teflon (registered trademark) coated filter is weighed.
- step S11 the diesel particles are collected on a 70 mm Teflon-coated filter, placed in a constant temperature room at a temperature of 25 ° C and a humidity of 50% RH for at least 2 hours, and then weighed.
- step S12 the filter is rounded to a size that fits in the extraction glass container, and the filter is re-weighed in such a manner that the filter cannot be unwound with a nickel wire.
- step S13 Soxhlet extraction using dichloromethane as an organic solvent is performed for 8 hours or more to separate SOF.
- step S14 the extract is transferred to a glass tube for a concentrator, and set in a vacuum solvent concentrator, and dried to dryness in about one and a half hours. (The remaining filter is dried, and the weight of the extracted particles is weighed.)
- step S15 after dissolving with a fixed amount (about 0.5 ml) of a methanol solvent for high performance liquid chromatography, a centrifuge tube is placed in a water bath in an ultrasonic generator using aluminum foil instead of a lid. Generate ultrasonic waves for 2 to 3 minutes while immersing the part containing the solution in the above to completely dissolve the dried SOF.
- the nitro polycyclic aromatic hydrocarbon is transferred to an autosampler 120 of a high performance liquid chromatograph.
- the sample sent out from the autosampler 120 is supplied to a separation column 130, which is kept at about 40 ° C by a thermostat 132, and is supplied with 1-nitropyrene, 1.3-dinitropyrene, 1.6-dinitropyrene, and 1-nitropyrene.
- a separation column 130 As the separation column 130, a silica gel / C8 column is used.
- the nitro polycyclic aromatic hydrocarbon is sent to a reduction column 140, which is kept at about 80 ° C in a thermostat 142, and the nitro polycyclic aromatic hydrocarbon is converted to an amino polycyclic aromatic hydrocarbon.
- reduction column 140 an alumina / Pt—Rh reduction column is used.
- the above four components of the nitro polycyclic aromatic hydrocarbon can be separated and detected by the fluorescence detector 160.
- the data obtained by the fluorescence detector 160 is sent to the data processing device 170 for processing.
- the arrangement of the separation column 130 to the ODS analysis column 150 is not limited to this arrangement and can be replaced by each other.
- the present invention can analyze nitro polycyclic aromatic hydrocarbons contained in exhaust gas of a diesel engine with high accuracy, and is therefore used for improving the technology of purifying exhaust gas of a diesel engine. be able to.
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/564,884 US20060210442A1 (en) | 2003-07-17 | 2004-07-09 | Apparatus and method for analyzing nitropolycyclic aromatic hydrocarbon contained in diesel particulate |
EP04747283A EP1707959A4 (en) | 2003-07-17 | 2004-07-09 | DEVICE AND METHOD FOR ANALYZING POLYCYCLIC AROMATIC HYDROCARBON CONTAINING A NITRO GROUP IN DIESEL PARTICLES |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-275806 | 2003-07-17 | ||
JP2003275806A JP4403745B2 (ja) | 2003-07-17 | 2003-07-17 | ディーゼル粒子中のニトロ多環芳香族炭化水素の分析装置と分析方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005008237A1 true WO2005008237A1 (ja) | 2005-01-27 |
Family
ID=34074567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009815 WO2005008237A1 (ja) | 2003-07-17 | 2004-07-09 | ディーゼル粒子中のニトロ多環芳香族炭化水素の分析装置と分析方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060210442A1 (ja) |
EP (1) | EP1707959A4 (ja) |
JP (1) | JP4403745B2 (ja) |
WO (1) | WO2005008237A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103439443A (zh) * | 2013-08-29 | 2013-12-11 | 中国烟草总公司郑州烟草研究院 | 同时测定卷烟主流烟气中16种多环芳烃的方法 |
CN115121286A (zh) * | 2022-04-20 | 2022-09-30 | 南通大学 | 一种均相催化异相分离的金纳米粒子 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4403853B2 (ja) | 2004-03-26 | 2010-01-27 | いすゞ自動車株式会社 | 多環芳香族炭化水素分析のための分析前処理方法及び装置 |
CN108627579B (zh) * | 2017-03-24 | 2020-12-01 | 上海安谱实验科技股份有限公司 | Pbt制品中多环芳烃的提取方法 |
CN108896674A (zh) * | 2018-07-04 | 2018-11-27 | 肇庆市创业帮信息技术有限公司 | 一种肉制品中多环芳烃的检测方法 |
JP7284946B2 (ja) * | 2018-08-28 | 2023-06-01 | 地方独立行政法人東京都立産業技術研究センター | ニトロ多環芳香族化合物の分析に用いる液体クロマトグラフ装置、ニトロ多環芳香族化合物の蛍光検出方法及びニトロ多環芳香族化合物の蛍光増強方法 |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11344479A (ja) * | 1998-06-03 | 1999-12-14 | Jasco Corp | 多成分同時測定方法及びその装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US4130474A (en) * | 1974-04-21 | 1978-12-19 | Shoilco, Inc. | Low-temperature oil shale and tar sand extraction process |
US4554132A (en) * | 1979-03-19 | 1985-11-19 | Cem Corporation | Analytical apparatus for determining volatiles, solids, and solvent extractables in a sample |
JP3615425B2 (ja) * | 1999-07-07 | 2005-02-02 | 株式会社日立製作所 | 含窒素有機物分析装置 |
US6835573B2 (en) * | 2001-08-29 | 2004-12-28 | Husky Injection Molding Systems Ltd. | Method and device for testing aldehyde in polyester polymer |
-
2003
- 2003-07-17 JP JP2003275806A patent/JP4403745B2/ja not_active Expired - Fee Related
-
2004
- 2004-07-09 WO PCT/JP2004/009815 patent/WO2005008237A1/ja active Application Filing
- 2004-07-09 EP EP04747283A patent/EP1707959A4/en not_active Withdrawn
- 2004-07-09 US US10/564,884 patent/US20060210442A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11344479A (ja) * | 1998-06-03 | 1999-12-14 | Jasco Corp | 多成分同時測定方法及びその装置 |
Non-Patent Citations (2)
Title |
---|
HANG LI ET AL: "Determination of mono- and di-nitro polycyclic aromatic hydrocarbons by on-line reduction and high-performance liquid chromatography with chemiluminescence detection", JOURNAL OF CHROMATOGRAPHY A, vol. 664, 1 April 1994 (1994-04-01), pages 177 - 182, XP002981314 * |
See also references of EP1707959A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103439443A (zh) * | 2013-08-29 | 2013-12-11 | 中国烟草总公司郑州烟草研究院 | 同时测定卷烟主流烟气中16种多环芳烃的方法 |
CN103439443B (zh) * | 2013-08-29 | 2015-08-26 | 中国烟草总公司郑州烟草研究院 | 同时测定卷烟主流烟气中16种多环芳烃的方法 |
CN115121286A (zh) * | 2022-04-20 | 2022-09-30 | 南通大学 | 一种均相催化异相分离的金纳米粒子 |
CN115121286B (zh) * | 2022-04-20 | 2024-03-15 | 南通大学 | 一种均相催化异相分离的金纳米粒子 |
Also Published As
Publication number | Publication date |
---|---|
JP2005037287A (ja) | 2005-02-10 |
EP1707959A4 (en) | 2010-06-02 |
US20060210442A1 (en) | 2006-09-21 |
JP4403745B2 (ja) | 2010-01-27 |
EP1707959A1 (en) | 2006-10-04 |
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