JPWO2018056419A1 - 元素分析装置及び元素分析方法 - Google Patents
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Abstract
Description
10 ・・・インパルス炉
11 ・・・黒鉛るつぼ
20 ・・・キャリアガス供給器
40 ・・・四重極型質量分析計
111 ・・・第1調圧器
126 ・・・第2調圧器
127 ・・・流量調節バルブ
141 ・・・吸引ポンプ
その他の実施形態に係る元素分析装置200としては、図8に示すように、前記実施形態に係る元素分析装置100の変形したものであり、具体的には、元素分析装置100における分岐ライン140、吸引ポンプ141及びリークバルブ70を取り除いた他は同一構造となっている。これにより、加熱炉10から導出される混合ガス全量を真空チャンバ30に導入することができる。
交点I : RF電圧、DC電圧=0.17、0.58
頂点v : RF電圧、DC電圧=0.706、0.23699
交点i : RF電圧、DC電圧=0.706、0.2017
よって、頂点vにおけるRF/DC比が、5.958となり、交点iにおけるRF/DC比が、7.000となる。これにより、RF/DC比が、5.958〜7.000になるようにRF電圧及びDC電圧を選択して測定することができる。この場合、RF/DC比を7.000に近づけるほど、測定時における測定精度が向上する。
Claims (8)
- キャリアガスを導入しながら試料が入ったるつぼを加熱し、該試料の少なくとも一部を気化して試料ガスを生成する加熱炉と、
前記加熱炉から導出されるキャリアガス及び試料ガスからなる混合ガス中の該試料ガスに含まれる元素を真空雰囲気で抽出して定量分析する質量分析計と、
前記加熱炉に導入されるキャリアガスの圧力を制御する第1調圧器と、
前記質量分析計に導入される混合ガスの圧力を制御する第2調圧器とを備えることを特徴とする元素分析装置。 - 前記質量分析計が接続される真空チャンバをさらに備え、前記第2調圧器から導出される混合ガス全量が前記真空チャンバに導入される請求項1記載の元素分析装置。
- 前記第2調圧器と前記質量分析計との間から分岐して伸びる分岐ラインに設置され、該第2調圧器で圧力が制御された混合ガスを吸引する吸引ポンプをさらに備える請求項1記載の元素分析装置。
- 前記第1調圧器によって前記加熱炉に導入されるキャリアガスの圧力を20kPa以上80kPa以下の範囲内に制御する請求項1乃至3のいずれかに記載の元素分析装置。
- 前記試料がAr含有試料である請求項1乃至4のいずれかに記載の元素分析装置。
- 前記質量分析計が四重極型質量分析計であり、
前記加熱炉をキャリアガスを導入しながら前記試料の主成分を含有する浴剤が投入されたるつぼを加熱し、該加熱炉にキャリアガスを導入しながら該るつぼを試料を投入せずに加熱し、該加熱炉から導出されるキャリアガスを前記四重極型質量分析計に導入して得られる電流強度の経時変化を示す基準分析データと、該加熱炉にキャリアガスを導入しながら該るつぼを試料を投入して加熱し、該加熱炉から導出されるキャリアガス及び試料ガスからなる混合ガスを前記四重極型質量分析計に導入して得られる電流強度の経時変化を示す測定分析データと、
に基づいて前記試料ガスに含まれる元素を定量分析する情報処理装置を備える請求項1乃至5のいずれかに記載の元素分析装置。 - 試料を気化して生成した試料ガスに含まれる元素を定量分析する元素分析方法であって、加熱炉に圧力が20kPa以上80kPa以下の範囲内のキャリアガスを導入しながら該加熱炉の前記試料の主成分を含有する浴剤が投入されたるつぼを加熱し、
前記加熱炉に前記キャリアガスを導入しながら該加熱炉のAr含有試料が投入されたるつぼを加熱して試料ガスを生成し、該加熱炉から導出されるキャリアガス及び試料ガスからなる混合ガスを1.5Pa以下に減圧して四重極型質量分析計に導入し、該試料ガスに含まれる元素を抽出して定量分析することを特徴とする元素分析方法。 - 前記加熱炉に圧力が20kPa以上80kPa以下の範囲内のキャリアガスを導入しながら該加熱炉の前記試料の主成分を含有する浴剤が投入されたるつぼを加熱し、
前記加熱炉に前記キャリアガスを導入しながら該加熱炉の試料が投入されていないるつぼを加熱し、該加熱炉から導出されるキャリアガスを1.5Pa以下に減圧して四重極型質量分析計に導入して電流強度の経時変化を示す基準分析データを取得し、
前記加熱炉に前記キャリアガスを導入しながら該加熱炉のAr含有試料が投入されたるつぼを加熱して試料ガスを生成し、該加熱炉から導出されるキャリアガス及び試料ガスからなる混合ガスを1.5Pa以下に減圧して四重極型質量分析計に導入して電流強度の経時変化を示す測定分析データを取得し、
前記基準分析データ及び前記測定分析データに基づいて前記試料ガスに含まれる元素を定量分析する請求項7記載の元素分析方法。
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- 2017-09-22 JP JP2018540327A patent/JP7021092B2/ja active Active
- 2017-09-22 EP EP17853187.7A patent/EP3509086A4/en active Pending
- 2017-09-22 US US16/333,879 patent/US10978285B2/en active Active
- 2017-09-22 WO PCT/JP2017/034391 patent/WO2018056419A1/ja unknown
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US10978285B2 (en) | 2021-04-13 |
CN109716481A (zh) | 2019-05-03 |
EP3509086A4 (en) | 2020-04-08 |
JP7021092B2 (ja) | 2022-02-16 |
EP3509086A1 (en) | 2019-07-10 |
WO2018056419A1 (ja) | 2018-03-29 |
CN109716481B (zh) | 2022-07-26 |
US20190206667A1 (en) | 2019-07-04 |
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