JP3899057B2 - 大気中の黒色炭素を光学的に測定する方法およびこの方法を実施するための装置 - Google Patents
大気中の黒色炭素を光学的に測定する方法およびこの方法を実施するための装置 Download PDFInfo
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- JP3899057B2 JP3899057B2 JP2003301498A JP2003301498A JP3899057B2 JP 3899057 B2 JP3899057 B2 JP 3899057B2 JP 2003301498 A JP2003301498 A JP 2003301498A JP 2003301498 A JP2003301498 A JP 2003301498A JP 3899057 B2 JP3899057 B2 JP 3899057B2
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- light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
2 光源(発光ダイオード)
3 光検出器
4 光検出器
41〜44 光検出器
5 光検出器
51〜54 光検出器
9 光検出器
6 フィルタテープ
7 環状取付装置
71〜72 環状取付装置
8 捕集領域
10 上部ハウジング部
11 下部ハウジング部
12 ダスト通路
Claims (11)
- 大気中の黒色炭素を光学的に測定する方法であって、
空気流からエアロゾルをフィルタテープ上に堆積させる工程と、
前記フィルタテープのエアロゾル粒子捕集領域に光源によって1つまたは複数の波長の光を連続的に照射する工程と、
前記光源に関してそれぞれの測定角度について最大分解能で反射光と拡散散乱光とを区分することが可能となる対称性をもつように厳密に定められた複数の角度または角度範囲で配設された複数の光検出器と、前記光源に関して透過光を検出することが可能となるように厳密に定められた角度または角度範囲で配設された光検出器とを用いて、前記フィルタを通して透過された光成分とフィルタから反射された光成分の両方を同時に測定する工程と、
前記フィルタテープ捕集領域の光吸収性エアロゾル物質負荷量を、検出した各透過率および反射率から公知のアルゴリズムを用いて前記エアロゾル粒子負荷により生じる前記捕集領域の光学的性質の変化に基づいて連続的に決定する工程と
を含む方法。 - 前記透過光成分と反射光成分とを、それぞれ0°、120〜140°、および165〜および180°の角度または角度範囲において測定した後、平均化する、請求項1に記載の方法。
- 単一の波長のみで測定する場合、狭帯域光源を用いる、請求項1または2に記載の方法。
- 前記狭帯域光源としてカラー発光ダイオードを使用する、請求項3に記載の方法。
- 複数の波長で測定する場合、広帯域光源を用いると共に、前記個別光検出器の上流側で帯域フィルタを使用する、請求項1または2に記載の方法。
- 前記光源の光強度を連続的に測定し決定する、請求項1に記載の方法。
- フィルタテープ(6)の上方に配設された光源(2)と、
前記フィルタテープ(6)の下方に配設されて透過された光成分を測定する光検出器(9)と、
前記光源(2)と前記フィルタテープ(6)との間に配設されて反射された光成分を測定する光検出器と
を含む測定ヘッド(1)の形態をとり、請求項1〜6のいずれか一項に記載の方法を実施するための装置であって、
いずれの場合でも前記光源(2)とフィルタテープ(6)との間に配設された前記光検出器のうち少なくとも2つが環状取付装置(71、72)において前記光源(2)の光軸に関して相互に対向するように設けられており、かつ前記フィルタテープの表面に対してそれぞれ0°、120〜140°、および165〜180°に厳密に定められた角度または角度範囲に配向されており、
前記フィルタテープの光吸収性材料負荷量を決定するためのユニット(20、21)が前記フィルタテープ下方の前記光検出器および前記相互に対向して配設された光検出器の下流側に配設されている装置。 - 散乱光を低減する目的で、前記相互に対向して設けられた光検出器は異なる2つの平面に位置する2つの環状取付装置(71、72)内に収容されている、請求項7に記載の装置。
- 前記光源(2)の前記光強度を監視するために光検出器(3)が設けられている、請求項7または8に記載の装置。
- 前記測定ヘッド(1)において、前記フィルタテープ(6)のダスティングを連続的に行うと共に、粗い粒子(>10μm)も前記フィルタテープに到達できるようにダスト通路(12)が構成されている、請求項7に記載の装置。
- 前記ダスト通路(12)の上流側に前記粒子の大きさを分別するための予備分別器が設けられている、請求項10に記載の装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10240204A DE10240204B3 (de) | 2002-08-28 | 2002-08-28 | Verfahren zur optischen Messung von schwarzem Kohlenstoff in der Atmosphäre und Einrichtung zur Durchführung des Verfahrens |
Publications (2)
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JP2004085569A JP2004085569A (ja) | 2004-03-18 |
JP3899057B2 true JP3899057B2 (ja) | 2007-03-28 |
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JP2003301498A Expired - Fee Related JP3899057B2 (ja) | 2002-08-28 | 2003-08-26 | 大気中の黒色炭素を光学的に測定する方法およびこの方法を実施するための装置 |
Country Status (3)
Country | Link |
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US (1) | US7038765B2 (ja) |
JP (1) | JP3899057B2 (ja) |
DE (1) | DE10240204B3 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101812783B1 (ko) | 2017-07-20 | 2017-12-28 | 순천향대학교 산학협력단 | 블랙카본 측정 장치 |
KR20220127395A (ko) * | 2021-03-10 | 2022-09-20 | 주식회사 전진엠에스 | 선박 내 블랙카본 측정 장치 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100385226C (zh) * | 2005-08-30 | 2008-04-30 | 华南师范大学 | 大气颗粒物监测仪器中的滤膜组件自动下料装置 |
US8411272B2 (en) * | 2008-08-04 | 2013-04-02 | Magee Scientific Corporation | Method and apparatus for the analysis of materials |
DE102009051505B3 (de) * | 2009-10-30 | 2011-03-31 | Continental Automotive Gmbh | Rußsensor |
US8531671B1 (en) | 2009-12-05 | 2013-09-10 | Magee Scientific Corporation | Apparatus and methods for determining the concentration of black carbon particles in a combustion exhaust |
US20120096925A1 (en) * | 2010-10-22 | 2012-04-26 | Magee Scientific Corporation | Method and analyzer for determining the content of carbon-containing particles filtered from an air stream |
US9018583B2 (en) * | 2011-03-08 | 2015-04-28 | Magee Scientific Corporation | Method for automatic performance diagnosis and calibration of a photometric particle analyzer |
US9804082B2 (en) * | 2011-03-08 | 2017-10-31 | Magee Scientific Corporation | Method for automatic performance diagnosis and calibration of a photometric particle analyzer |
WO2015155795A1 (en) * | 2014-04-12 | 2015-10-15 | Tecnorama S.R.L. | Apparatus for performing optical measurements on dye baths |
US9671324B2 (en) | 2014-04-24 | 2017-06-06 | Aerosol D.O.O. | Method and apparatus to compensate analytical devices that collect constituents of interest on a filter for the effect of filter loading |
CN104330388B (zh) * | 2014-11-17 | 2017-01-11 | 四川鼎林信息技术有限公司 | 一种雾霾检测装置及其检测方法 |
JP6626621B2 (ja) * | 2015-02-27 | 2019-12-25 | 紀本電子工業株式会社 | 光学的手法による浮遊粒子状物質測定装置 |
KR101674884B1 (ko) * | 2015-10-14 | 2016-11-22 | 한국표준과학연구원 | 초미세먼지의 유기원소탄소 분석장치 |
CN106644952A (zh) * | 2017-01-23 | 2017-05-10 | 河北先河环保科技股份有限公司 | 一种实验室热光法有机碳元素碳分析仪 |
WO2019006017A1 (en) * | 2017-06-28 | 2019-01-03 | Caubel Julien J | INSTRUMENT FOR MEASURING AIRBORNE PARTICULATE MATTER |
US10495573B1 (en) | 2018-06-13 | 2019-12-03 | Julien J. Caubel | Instrument for measuring airborne particulate matter |
EP3724629A1 (en) | 2017-12-15 | 2020-10-21 | Ams Ag | Particulate matter sensor |
EP3502658A1 (en) | 2017-12-22 | 2019-06-26 | Volumen d.o.o. | Apparatus for determining properties of a sample stream |
IT201900006685A1 (it) * | 2019-05-09 | 2020-11-09 | Dado Lab Srl | Dispositivo e metodo per misurare la concentrazione di carbonio elementare nel particolato atmosferico |
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US3790286A (en) * | 1972-04-21 | 1974-02-05 | Phillips Petroleum Co | Carbon black testing by analyzing non-specularly reflected polarized light |
US4093705A (en) * | 1976-10-01 | 1978-06-06 | Phillips Petroleum Company | Control of carbon black production |
US4893934A (en) | 1988-01-25 | 1990-01-16 | The United States Of America As Represented By The United States Department Of Energy | Aethalometer |
US5373367A (en) * | 1992-10-21 | 1994-12-13 | Qualimetrics, Inc. | Multiple angle and redundant visibility sensor |
US5751416A (en) * | 1996-08-29 | 1998-05-12 | Mississippi State University | Analytical method using laser-induced breakdown spectroscopy |
DE19735205A1 (de) * | 1997-08-14 | 1999-02-25 | Gustav Prof Dr Techn Schweiger | Verfahren zur spektroskopischen Rußmessung |
DE19741123C2 (de) * | 1997-09-12 | 2001-01-04 | Ift Inst Fuer Troposphaerenfor | Verfahren zur quantitativen Bestimmung von Ruß in einer Rußprobe und Vorrichtung zur Durchführung des Verfahrens |
AT409039B (de) | 1999-11-26 | 2002-05-27 | Avl List Gmbh | Verfahren zur messung der opacität in gasen |
US6662627B2 (en) * | 2001-06-22 | 2003-12-16 | Desert Research Institute | Photoacoustic instrument for measuring particles in a gas |
US6775004B1 (en) * | 2002-10-08 | 2004-08-10 | John B. Putman | Measuring surface roughness to calculate filler dispersion in a polymer sample |
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2002
- 2002-08-28 DE DE10240204A patent/DE10240204B3/de not_active Expired - Fee Related
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- 2003-08-22 US US10/646,964 patent/US7038765B2/en active Active
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101812783B1 (ko) | 2017-07-20 | 2017-12-28 | 순천향대학교 산학협력단 | 블랙카본 측정 장치 |
KR20220127395A (ko) * | 2021-03-10 | 2022-09-20 | 주식회사 전진엠에스 | 선박 내 블랙카본 측정 장치 |
KR102556940B1 (ko) * | 2021-03-10 | 2023-07-20 | 주식회사 전진엠에스 | 선박 내 블랙카본 측정 장치 |
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JP2004085569A (ja) | 2004-03-18 |
US7038765B2 (en) | 2006-05-02 |
DE10240204B3 (de) | 2004-01-08 |
US20040156036A1 (en) | 2004-08-12 |
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