JP2019045240A - 分光分析装置及び分光分析方法 - Google Patents
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
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- 238000012844 infrared spectroscopy analysis Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
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- 229920006395 saturated elastomer Polymers 0.000 description 2
- 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 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
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- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
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- 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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- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
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- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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Abstract
Description
11 ・・・濃度算出部
12 ・・・濃度補正部
13 ・・・標準スペクトル取得部
14 ・・・補正式生成部
Claims (12)
- 試料に光を照射して得られる分光スペクトルから前記試料に含まれる測定対象成分の濃度を測定する分光分析装置であって、
検量線を用いて前記分光スペクトルから前記測定対象成分の濃度を算出する濃度算出部と、
前記検量線の作成時の温度と前記濃度測定時の温度との温度差分に伴う前記測定対象成分の濃度変化を、前記測定対象成分の濃度を求める波長域又は波数域に応じた温度補正式を用いて補正する濃度補正部とを備える分光分析装置。 - 前記濃度補正部は、前記測定対象成分の種類又は前記測定対象成分の測定レンジに応じて前記温度補正式を変更する、請求項1記載の分光分析装置。
- 前記濃度算出部は、複数の測定対象成分の濃度を多変量解析を用いて算出するものであり、
前記濃度補正部は、前記複数の測定対象成分毎に設定された前記温度補正式を用いて、各測定対象成分の濃度を補正するものである、請求項1又は2記載の分光分析装置。 - 前記温度補正式は、温度が高くなるに連れて補正前の濃度を小さくして出力する式である、請求項1乃至3の何れか一項に記載の分光分析装置。
- 前記試料はガスであり、
前記温度補正式は、前記測定対象成分の温度により生じるエネルギー準位の変化を補正するためのものである、請求項1乃至4の何れか一項に記載の分光分析装置。 - 前記濃度補正部は、前記測定対象成分の濃度を求める波長域又は波数域が吸収帯の中央領域以外の領域の場合にのみ、前記温度補正式を用いて、前記測定対象成分の濃度を補正する、請求項1乃至5の何れか一項に記載の分光分析装置。
- 濃度既知の標準試料による複数の温度それぞれの分光スペクトルを取得する標準スペクトル取得部と、
前記複数の温度の標準スペクトルから前記温度補正式を生成する補正式生成部とを更に備える、請求項1乃至6の何れか一項に記載の分光分析装置。 - 前記補正式生成部は、前記濃度算出部による濃度算出に用いられる波長域又は波数域が変更された場合に、当該変更された波長域又は波数域に対応する温度補正式に更新する、請求項7記載の分光分析装置。
- 前記補正式生成部は、前記検量線作成時に得られた前記標準スペクトルから前記温度補正式を生成する、請求項7又は8記載の分光分析装置。
- 試料に光を照射して得られる分光スペクトルから前記試料に含まれる測定対象成分の濃度を測定する分光分析装置であって、
検量線を用いて前記分光スペクトルから前記測定対象成分の濃度を算出する濃度算出部と、
前記検量線の作成時の温度と前記濃度測定時の温度との温度差分に伴う前記測定対象成分の濃度変化を、所定の温度補正式を用いて補正する濃度補正部とを備える分光分析装置。 - 試料に光を照射して得られる分光スペクトルから前記試料に含まれる測定対象成分の濃度を測定する分光分析方法であって、
検量線を用いて前記分光スペクトルから前記測定対象成分の濃度を算出する濃度算出ステップと、
前記検量線の作成時の温度と前記濃度測定時の温度との温度差分に伴う前記測定対象成分の濃度変化を、前記測定対象成分の濃度を求める波長域又は波数域に応じた温度補正式を用いて補正する濃度補正ステップとを備える分光分析方法。 - 試料に光を照射して得られる分光スペクトルから前記試料に含まれる測定対象成分の濃度を測定する分光分析装置に用いられる分光分析プログラムであって、
検量線を用いて前記分光スペクトルから前記測定対象成分の濃度を算出する濃度算出部としての機能と、
前記検量線の作成時の温度と前記濃度測定時の温度との温度差分に伴う前記測定対象成分の濃度変化を、前記測定対象成分の濃度を求める波長域又は波数域に応じた温度補正式を用いて補正する濃度補正部としての機能とをコンピュータに備えさせることを特徴とする分光分析プログラム。
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CN201810993895.1A CN109425583B (zh) | 2017-08-31 | 2018-08-29 | 光谱分析装置、光谱分析方法和存储介质 |
US16/118,730 US10241038B2 (en) | 2017-08-31 | 2018-08-31 | Spectrophotometer and spectrophotometry method |
EP18191934.1A EP3450939A1 (en) | 2017-08-31 | 2018-08-31 | Spectrophotometer and spectrophotometry method |
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EP3912166A1 (en) | 2019-01-18 | 2021-11-24 | CareFusion 303, Inc. | Medication tracking system |
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松野 玄: "近赤外分光分析法のプロセスモニタリングへの応用(2)", CHEMICAL TIMES, JPN6020031574, 1 April 2006 (2006-04-01), pages 10 - 14, ISSN: 0004461946 * |
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