JP6364422B2 - 改善式気相スペクトル分析 - Google Patents
改善式気相スペクトル分析 Download PDFInfo
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- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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- G—PHYSICS
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- G—PHYSICS
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- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
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Description
Claims (15)
- 純粋な揮発性化合物の定量気相基準スペクトルを得る方法であって、
前記揮発性化合物の単離純粋凝縮相試料を提供する提供工程と、
浸透源から前記試料を気化し、その気相をスペクトロメータの吸収セルに供給する供給工程と、
前記浸透源からの質量損失をモニタリングすることにより前記浸透源からの浸透の率を測定することによって前記吸収セルに気相が入る率を決定する決定工程と、
前記吸収セルにおける気相の定常状態濃度の値を確立し計算する確立工程と、
前記気相のスペクトルを測定し、計算された濃度を使用して定量基準スペクトルを決定する測定工程と、を有する方法。 - 前記スペクトルは吸収スペクトルである請求項1記載の方法。
- 前記提供工程は、それを溶液から回収することによって前記凝縮相試料を単離する工程を含む請求項1又は2記載の方法。
- 前記単離試料は、少なくとも99質量%の純度を有する請求項1〜3のいずれか1項に記載の方法。
- 前記浸透源からの前記化合物の制御された気化を可能にするべく前記浸透源は制御された温度の炉に入れられる請求項1〜4のいずれか1項に記載の方法。
- 前記決定工程は、前記浸透源を事前較正する事前較正工程を含む請求項1〜5のいずれか1項に記載の方法。
- 前記事前較正工程は、浸透率の1%の精度での測定を可能にする高度な安定条件で質量損失を求める工程を含む請求項6記載の方法。
- 前記質量損失の測定は、前記確立工程と前記測定工程との少なくとも一つの間に行われる請求項1〜7のいずれか1項に記載の方法。
- 前記確立工程は、前記吸収セルを通して定常流を維持する工程を含む請求項1〜8のいずれか1項に記載の方法。
- 前記定常状態は、少なくとも24時間、確立される請求項1〜9のいずれか1項に記載の方法。
- 前記気相の定常状態濃度は、1ppb〜3000ppbの範囲である請求項1〜10のいずれか1項に記載の方法。
- 前記方法は、更に、前記吸収セルの温度をモニタリングする工程を含む請求項1〜11のいずれか1項に記載の方法。
- 当該方法は、更に、前記試料化合物の測定された気相スペクトルをこの同じ化合物の凝縮相のスペクトルと比較して、前記化合物の気相における特異的同定のための識別特徴を同定する工程を含む請求項1〜12のいずれか1項に記載の方法。
- 当該方法は更に、前記スペクトルを使用して前記気相における前記化合物を検出するための光学機器を較正する工程を有する請求項1〜13のいずれか1項に記載の方法。
- 純粋な揮発性化合物の定量気相基準スペクトルを得るための装置であって、
前記揮発性化合物の単離純粋凝縮相試料を受け取るための気化チャンバと、
当該気化チャンバと流体連通する吸収セルを備えるスペクトロメータと、
前記単離凝縮相試料が質量を損失する率に基づいて、気化物としての前記化合物が前記吸収セルに入る率をモニタリングするための、前記単離凝縮相試料からの質量損失をモニタリングするための装置を含むモニタリング装置と、
前記気相スペクトルを測定し、計算された濃度を使用して定量基準スペクトルを決定するために準備された前記吸収セル中の前記気化化合物の定常状態濃度の値を確立し計算するべく前記吸収セルを通る気体の定常流を維持するための流れ駆動手段と、を有する装置。
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GB1221678.4 | 2012-11-30 | ||
GB201221678 | 2012-11-30 | ||
PCT/GB2013/053160 WO2014083348A1 (en) | 2012-11-30 | 2013-11-29 | Improved vapour phase spectroscopy |
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JP2016502090A JP2016502090A (ja) | 2016-01-21 |
JP2016502090A5 JP2016502090A5 (ja) | 2017-01-19 |
JP6364422B2 true JP6364422B2 (ja) | 2018-07-25 |
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US (1) | US10101207B2 (ja) |
EP (1) | EP2926117B1 (ja) |
JP (1) | JP6364422B2 (ja) |
AU (1) | AU2013350915B2 (ja) |
CA (1) | CA2892932C (ja) |
ES (1) | ES2655203T3 (ja) |
WO (1) | WO2014083348A1 (ja) |
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GB2580652A (en) | 2019-01-21 | 2020-07-29 | Res & Innovation Uk | Infrared spectrometer |
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JPS61117431A (ja) * | 1984-11-14 | 1986-06-04 | Meidensha Electric Mfg Co Ltd | オイルミスト定量方法 |
US5750992A (en) * | 1996-09-18 | 1998-05-12 | Tennessee Valley Authority | Method to compensate for interferences to mercury measurement in gases |
JP2000180356A (ja) * | 1998-12-15 | 2000-06-30 | Mitsubishi Heavy Ind Ltd | 赤外線分光分析装置 |
JP3818051B2 (ja) * | 1999-12-10 | 2006-09-06 | 昭和電工株式会社 | アンモニア中の水分濃度の測定方法、測定装置、水分が低減されたアンモニアの製造方法およびその用途 |
JP3973605B2 (ja) * | 2002-07-10 | 2007-09-12 | 東京エレクトロン株式会社 | 成膜装置及びこれに使用する原料供給装置、成膜方法 |
US7182931B2 (en) * | 2003-02-25 | 2007-02-27 | Tronox Llc | Process for making titanium dioxide |
JP2005326273A (ja) * | 2004-05-14 | 2005-11-24 | Japan Atom Energy Res Inst | 校正用ガスの発生量測定装置 |
JP2006250650A (ja) * | 2005-03-09 | 2006-09-21 | Horiba Ltd | 元素の分析方法及びその装置 |
US20090101822A1 (en) * | 2007-10-18 | 2009-04-23 | General Electric Company | System and method for sensing fuel moisturization |
US8393198B2 (en) * | 2008-01-09 | 2013-03-12 | OronoSpectral Solutions, Inc. | Apparatus and method for determining analyte content in a fluid |
WO2010145892A1 (en) * | 2009-05-11 | 2010-12-23 | Gasporox Ab | Apparatus and method for non-intrusive assessment of gas in packages |
FR2979705B1 (fr) * | 2011-09-05 | 2014-05-09 | Commissariat Energie Atomique | Procede et dispositif d'estimation d'un parametre de masse moleculaire dans un echantillon |
US9874655B2 (en) * | 2014-10-31 | 2018-01-23 | Schlumberger Technology Corporation | Fluid analyzer using absorption spectroscopy |
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WO2014083348A1 (en) | 2014-06-05 |
AU2013350915B2 (en) | 2017-08-10 |
US20150260574A1 (en) | 2015-09-17 |
EP2926117B1 (en) | 2017-10-25 |
CA2892932C (en) | 2020-02-04 |
CA2892932A1 (en) | 2014-06-05 |
JP2016502090A (ja) | 2016-01-21 |
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