JP4372419B2 - マルチカラム・クロマトグラフ装置 - Google Patents
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Description
14 注入バルブ
16 ポンプ
18 カラム
20 切換バルブ
22 検出器
Claims (15)
- 複数のサンプルのそれぞれを検出器でクロマトグラフ分析する装置であって、
(a)クロマトグラフ分析のための複数のサンプルを収容するオートサンプラーと、
(b)それぞれが一つ又は複数のポンプ及び一つ又は複数のクロマトグラフィーカラムを含む複数のクロマトグラフと、
(c)前記クロマトグラフのそれぞれから前記サンプル内の化合物を検出する検出器と、
(d)各サンプルが順に前記検出器へ到達することを可能とする、前記検出器と前記クロマトグラフとの間に配置されたバルブと、
(e)前記サンプル内の前記化合物を前記検出器へ順に搬送するために、前記オートサンプラーから前記クロマトグラフへのサンプルの導入と前記バルブの位置とを調整するコンピュータ制御装置とを備え、
前記コンピュータ制御装置は、入力情報に基づいて前記複数のサンプルのそれぞれを前記カラムへ導入する時点を選択するものであり、前記入力情報は前記カラムから溶離している前記サンプルが前記検出器による検出のために前記カラムを出発する時点を示すものであり、前記コンピュータ制御装置は、サンプルが検出器に導入される前に、その導入サンプルの新しいデータ窓がその前に導入されていたサンプルのデータ窓に重複しないことを確認することができることを特徴とする装置。 - 請求項1記載の装置において、
各クロマトグラフは、4つのポンプと8つのカラムとを有することを特徴とする装置。 - 請求項1記載の装置において、
各クロマトグラフは、8つのポンプと4つのカラムとを有することを特徴とする装置。 - 請求項3記載の装置において、
各カラムは、サンプルを装填するための1つのポンプと溶離するための1つのポンプとを有することを特徴とする装置。 - 請求項1記載の装置において、
前記クロマトグラフィーカラムは、
クロマトグラフ吸着し得る表面を有する、実質的に均一に分散された複数の堅く、固体状で、多孔質の粒子であって、30μmよりも大きな平均直径を有し、各前記粒子間の隙間体積が、前記カラムの全体積の45%よりも小さくない複数の粒子と、
前記表面と反応する少なくとも一つの溶質を前記表面に装填する手段であって、前記溶質を含む液体混合物を、前記クロマトグラフィーカラムを介して、5,000よりも大きな換算速度で前記隙間体積の少なくとも実質的な部分内に前記混合物の流れを誘起するのに十分な速度で流す、ことによって装填する手段と、
を含むことを特徴とする装置。 - 請求項1記載の装置において、
前記検出器は、質量分析計であることを特徴とする装置。 - 請求項1記載の装置において、
前記コンピュータ制御装置は、前記ポンプのそれぞれからの圧力読み取りを収集し、そのような読み取りを内蔵の圧力読み取りと比較し、前記読み取りが前記内蔵の圧力読み取りから外れているときに、前記ポンプのうちの一つ又は複数を停止することを決定することを特徴とする装置。 - 請求項7記載の装置において、
前記圧力読み取りは、前記ポンプのそれぞれに対する所定期間の圧力データ点の読み取りをさらに含むことを特徴とする装置。 - 複数のサンプルのそれぞれを検出器でクロマトグラフ分析する装置であって、
(a)クロマトグラフ分析のための複数のサンプルを収容するオートサンプラーと、
(b)複数のクロマトグラフィーカラムと、
(c)前記複数のカラムのそれぞれから溶離剤の流れを確立するために、前記複数のカラムと関連付けられた複数のポンプと、
(d)前記複数のカラムのそれぞれからの前記溶離剤内の化合物を検出する検出器と、
(e)各溶離剤の流れが順に前記検出器へ到達することを可能とする、前記検出器と前記カラムからの前記溶離剤の流れとの間に配置されたバルブと、
(f)前記溶離剤を前記検出器へ順に搬送するために、前記オートサンプラーから前記複数のカラムへのサンプルの導入と前記バルブの位置とを調整するコンピュータ制御装置と、
を備え、
前記コンピュータ制御装置は、入力情報に基づいて前記複数のサンプルのそれぞれを前記カラムへ導入する時点を選択するものであり、前記入力情報は前記カラムから溶離している前記サンプルが前記検出器による検出のために前記カラムを出発する時点を示すものであり、前記コンピュータ制御装置は、サンプルが検出器に導入される前に、その導入サンプルの新しいデータ窓がその前に導入されていたサンプルのデータ窓に重複しないことを確認することができることを特徴とする装置。 - 請求項9記載の装置において、
前記検出器は、質量分析計であることを特徴とする装置。 - 請求項9記載の装置において、
前記複数のカラムは、少なくとも4つのカラムを備えることを特徴とする装置。 - 請求項9記載の装置において、
前記検出器と前記カラムからの前記溶離剤の流れとの間に配置された前記バルブは、前記複数のカラムのうちの一つから溶離剤を前記検出器へ選択的に流すとともに、同時に前記複数のカラムのうちの他のカラムから溶離剤をコレクターへ流すことを特徴とする装置。 - 請求項9記載の装置において、
前記カラムは、
クロマトグラフ吸着し得る表面を有する、実質的に均一に分散された複数の堅く、固体状で、多孔質の粒子であって、30μmよりも大きな平均直径を有し、各前記粒子間の隙間体積が、前記カラムの全体積の45%よりも小さくない複数の粒子と、
前記表面と反応する少なくとも一つの溶質を前記表面に装填する手段であって、前記溶質を含む液体混合物を、前記クロマトグラフィーカラムを介して、5,000よりも大きな換算速度で前記隙間体積の少なくとも実質的な部分内に前記混合物の流れを誘起するのに十分な速度で流すことによって装填する手段と、
を備えることを特徴とする装置。 - (a)クロマトグラフ分析のための複数のサンプルを収容するオートサンプラーと、
(b)複数のクロマトグラフィーカラムと、
(c)前記複数のカラムのそれぞれから検出器への溶離剤の流れを確立するために、前記複数のカラムと関連付けられた複数のポンプと、
(d)各溶離剤の流れが順に前記検出器へ到達することを可能とする、前記検出器と前記カラムからの前記溶離剤の流れとの間に配置されたバルブとを用いて複数のサンプルのそれぞれを検出器でクロマトグラフ分析する方法において、
(e)コンピュータ制御装置を用いて前記オートサンプラーから前記複数のカラムへのサンプルの導入と前記バルブの位置とを調整して前記溶離剤を前記検出器へ順に搬送し、
前記コンピュータ制御装置は、入力情報に基づいて前記複数のサンプルのそれぞれを前記カラムへ導入する時点を選択するものであり、前記入力情報は前記カラムから溶離している前記サンプルが前記検出器による検出のために前記カラムを出発する時点を示すものであり、前記コンピュータ制御装置は、サンプルが検出器に導入される前に、その導入サンプルの新しいデータ窓がその前に導入されていたサンプルのデータ窓に重複しないことを確認することができることを特徴とする方法。 - 請求項14記載の方法において、
前記カラムは、30μmよりも小さくない平均直径を有しクロマトグラフ吸着し得る表面を有する、実質的に均一に分散された複数の堅く、固体状で、多孔質の粒子を用いて詰め込まれ、その結果各前記粒子間に隙間体積を有するクロマトグラフィーカラムを形成しており、
前記溶質を含む液体混合物を、前記クロマトグラフィーカラムを介して、5,000よりも大きな換算速度で前記隙間体積の少なくとも実質的な部分内に前記混合物の流れを誘起するのに十分な速度で流すことによって、前記表面と反応する少なくとも一つの溶質を前記表面に装填している
ことを特徴とする方法。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101359941B1 (ko) * | 2013-07-10 | 2014-02-10 | 주식회사 위드텍 | 신속측정을 위한 액체 크로마토그래피 장치 |
WO2019138725A1 (ja) | 2018-01-11 | 2019-07-18 | 株式会社日立ハイテクノロジーズ | 複数のクロマトグラフを有する分析装置 |
WO2020105661A1 (ja) | 2018-11-20 | 2020-05-28 | 株式会社日立ハイテク | 複数のクロマトグラフを有する分析装置及びその制御方法 |
WO2020105624A1 (ja) | 2018-11-20 | 2020-05-28 | 株式会社日立ハイテク | 複数の液体クロマトグラフを有する分析装置およびその分析方法 |
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US20040055938A1 (en) | 2004-03-25 |
JP4358201B2 (ja) | 2009-11-04 |
WO2002053255A1 (en) | 2002-07-11 |
US20060163133A1 (en) | 2006-07-27 |
CA2433669C (en) | 2009-02-24 |
US20090324447A1 (en) | 2009-12-31 |
EP2362215A1 (en) | 2011-08-31 |
CA2433669A1 (en) | 2002-07-11 |
EP1355709A4 (en) | 2008-12-24 |
US20020084222A1 (en) | 2002-07-04 |
US20100307227A1 (en) | 2010-12-09 |
US7790026B2 (en) | 2010-09-07 |
US6808635B2 (en) | 2004-10-26 |
US20070248491A1 (en) | 2007-10-25 |
US7018540B2 (en) | 2006-03-28 |
EP2362215B1 (en) | 2017-11-22 |
US20050145547A1 (en) | 2005-07-07 |
US6635173B2 (en) | 2003-10-21 |
JP2006234830A (ja) | 2006-09-07 |
JP2004524518A (ja) | 2004-08-12 |
EP1355709A1 (en) | 2003-10-29 |
US7217360B2 (en) | 2007-05-15 |
US7594999B2 (en) | 2009-09-29 |
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