JP2017207377A - 質量分析方法 - Google Patents
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Abstract
【解決手段】この質量分析方法においては、まず初めに、分析対象となる試料溶液をキレート樹脂に対して通液し、検出対象となる金属元素(被測定元素)をキレート樹脂に対して吸着させる(キレート吸着工程)。その後、このキレート樹脂に吸着された金属元素を前記の分析対象となる試料溶液とは別の、この金属元素や前記の酸を含まない溶液(溶出液)中に溶出させる(溶出工程)。具体的には、この工程は、金属元素を吸着後のキレート樹脂に対して酸を含む溶液を通液させることにより行うことができ、通液後のものが溶出液となる。この溶出液に対してICP−MSを適用する(質量分析工程)。
【選択図】なし
Description
本発明の質量分析方法は、試料溶液に含まれる被測定元素の分析をICP質量分析によって行う質量分析方法であって、前記被測定元素を選択的に吸着させるキレート樹脂に対して前記試料溶液を通液させることによって前記被測定元素を前記キレート樹脂に吸着させるキレート吸着工程と、前記キレート吸着工程後における前記キレート樹脂に対して溶出液を通液して、前記キレート樹脂に吸着された前記被測定元素を前記溶出液中に溶出させる溶出工程と、通液後の前記溶出液に対してICP質量分析を行う質量分析工程とを具備することを特徴とする。
本発明の質量分析方法において、前記被測定元素は、亜鉛、銅、マンガン、コバルト、鉄、ニッケル、カドミウムのいずれかであることを特徴とする。
本発明の質量分析方法において、前記試料溶液には、酸が含まれることを特徴とする。
本発明の質量分析方法において、前記酸は、硫酸、リン酸、塩酸、硝酸のいずれかであることを特徴とする。
本発明の質量分析方法において、前記溶出液は、硫酸、リン酸、塩酸、硝酸のいずれかのうち、前記試料溶液に含まれる酸と異なるものを含むことを特徴とする。
本発明の質量分析方法において、前記キレート樹脂は、イミノジカルボン酸型又はポリアミン型であることを特徴とする。
本発明の質量分析方法において、前記キレート樹脂は、官能基としてエチレンジアミン三酢酸及び/又はイミノ二酢酸を具備することを特徴とする。
本発明の質量分析方法は、前記キレート吸着工程を酸性条件下で行うことを特徴とする。
本発明の質量分析方法は、前記試料溶液のpHを4.5以上7.0未満の範囲として前記キレート吸着工程を行うことを特徴とする。
本発明の質量分析方法において、前記試料溶液は、河川水、海水、パルプ廃液、パルプ化工程液、水道水、イオン交換水のいずれかであることを特徴とする。
Claims (10)
- 試料溶液に含まれる被測定元素の分析をICP質量分析によって行う質量分析方法であって、
前記被測定元素を選択的に吸着させるキレート樹脂に対して前記試料溶液を通液させることによって前記被測定元素を前記キレート樹脂に吸着させるキレート吸着工程と、
前記キレート吸着工程後における前記キレート樹脂に対して溶出液を通液して、前記キレート樹脂に吸着された前記被測定元素を前記溶出液中に溶出させる溶出工程と、
通液後の前記溶出液に対してICP質量分析を行う質量分析工程、
を具備することを特徴とする質量分析方法。 - 前記被測定元素は、亜鉛、銅、マンガン、コバルト、鉄、ニッケル、カドミウムのいずれかであることを特徴とする請求項1に記載の質量分析方法。
- 前記試料溶液には、酸が含まれることを特徴とする請求項2に記載の質量分析方法。
- 前記酸は、硫酸、リン酸、塩酸、硝酸のいずれかであることを特徴とする請求項3に記載の質量分析方法。
- 前記溶出液は、硫酸、リン酸、塩酸、硝酸のいずれかのうち、前記試料溶液に含まれる酸と異なるものを含むことを特徴とする請求項4に記載の質量分析方法。
- 前記キレート樹脂は、イミノジカルボン酸型又はポリアミン型であることを特徴とする請求項2から請求項5までのいずれか1項に記載の質量分析方法。
- 前記キレート樹脂は、官能基としてエチレンジアミン三酢酸及び/又はイミノ二酢酸を具備することを特徴とする請求項6に記載の質量分析方法。
- 前記キレート吸着工程を酸性条件下で行うことを特徴とする請求項7に記載の質量分析方法。
- 前記試料溶液のpHを4.5以上7.0未満の範囲として前記キレート吸着工程を行うことを特徴とする請求項8に記載の質量分析方法。
- 前記試料溶液は、河川水、海水、パルプ廃液、パルプ化工程液、水道水、イオン交換水のいずれかであることを特徴とする請求項1から請求項9までのいずれか1項に記載の質量分析方法。
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WO2022075063A1 (ja) * | 2020-10-09 | 2022-04-14 | 三菱重工エンジニアリング株式会社 | 分析システム及び管理システム、並びに分析方法、並びに分析プログラム |
CN114354301A (zh) * | 2021-12-01 | 2022-04-15 | 中国辐射防护研究院 | 一种液体中铁-55分析方法 |
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