Development of on-line analytical method for scrapped materials by using laser-induced plasma atomic emission spectrometry under evacuated atmosphere

真空气氛下激光诱导等离子体原子发射光谱法废旧材料在线分析方法的建立

• 批准号: 15560705
• 负责人: WAGATSUMA Kazuaki
• 金额: $ 2.56万
• 依托单位: Tohoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2004
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15560705/
• 关键词: recycling process; material flow; elemental analysis; atomic emission spectrometry; laser-induced plasma; laser ablation; glow discharge plasma; quality control; 固体試料直接分析; トランプエレメント; 発光分光分析法; オンライン分析; 素材分別; 迅速分析; 元素定量; スクラップ分析; 資源再生産

Analytical techniques for rapid quantification for scrapped materials have been proposed by use of laser ablation and/or laser-induced plasmas. For this purpose, we have developed two excitation sources in atomic emission spectrometry : one is a laser-induced plasma source under reduced argon pressures and the other is a laser-ablation source associated with a helium glow discharge plasma. The former could be employed for on-line analysis of scrapped materials, while the latter could be employed for the precise determination of minor elements in scrapped materials. The emission signals from the laser-induced plasma source are easily detected because the background intensity is very small ; it is therefore suitable for the excitation source for on-line analysis. The optimum operation conditions were determined so that the signal-to-background ratio of the emission signals could be maximized. The laser-ablation source with a high-frequency Nd:YAG laser can be employed for the sample introduction to the helium glow discharge plasma, which works as a reliable excitation source because the glow discharge plasma as well as the laser sampling are very stable.

通过使用激光消融和/或激光诱导的等离子体，已经提出了用于取消材料快速定量的分析技术。为此，我们在原子发射光谱法中开发了两个激发源：一个是在减少的氩压力下引起的激光诱导的等离子体源，另一个是与氦发光放电等离子体相关的激光燃料源。前者可以用于对废品材料进行在线分析，而后者可以用于精确确定废料中的次要元素。由于背景强度很小，因此很容易检测到来自激光引起的等离子体源的发射信号。因此，它适用于激发源用于在线分析。确定最佳操作条件，以便可以最大化发射信号的信噪比。具有高频ND：YAG激光器的激光燃料源可用于氦发光放电等离子体的样品介绍，该血浆可作为可靠的激发源，因为光泽放电等离子体以及激光采样非常稳定。

项目成果

Sampling modulation technique in radio-frequency helium glow discharge emission source by use of pulsed laser ablation

脉冲激光烧蚀射频氦辉光放电发射源采样调制技术

• 发表时间: 2004
• 期刊: Fresenius J.Analytical Chemistry 379
• 作者: T.Maeda;T.Maeda;我妻 和明;T.Maeda;K.Wagatsuma;後澤 洋平;T.M.Naeem
• 通讯作者: T.M.Naeem

Excitation mechanism for nickel and argon lines emitted by radio-frequency glow discharge plasma associated with bias current introduction

与偏置电流引入相关的射频辉光放电等离子体发射的镍和氩线的激发机制

• 发表时间: 2004
• 期刊: Spectrochimica Acta Part B 59
• 作者: T.Maeda;T.Maeda;我妻 和明;T.Maeda;K.Wagatsuma;後澤 洋平;T.M.Naeem;児玉 憲治;T.M.Naeem;K.Wagatuma;H.Matsuta;我妻 和明;K.Wagatsuma;K.Kodama
• 通讯作者: K.Kodama

T.M.Naeem, H.Matsuta, K.Wagatsuma: "Effect of plasma gas for spectrometric analysis of tin and zinc using low-pressure laser-induced plasma"Spectrochimica Acta, Part B. 58B. 891-899 (2003)

T.M.Naeem、H.Matsuta、K.Wagatsuma：“等离子气体对使用低压激光诱导等离子体进行锡和锌光谱分析的影响”Spectrochimica Acta，B. 58B 部分。

有機溶媒直接導入のおけるOkamoto-cavityマイクロ波誘導プラズマの分光特性とその鉄鋼資料のMIBK抽出分離定量分析への応用

直接引入有机溶剂冈本腔微波诱导等离子体光谱特性及其在钢铁材料MIBK萃取分离定量分析中的应用

• 发表时间: 2005
• 期刊: 鉄と鋼 91
• 作者: T.Maeda;T.Maeda;我妻 和明
• 通讯作者: 我妻 和明

発光分光分析用グロー放電プラズマ励起源の新しい制御法

发射光谱辉光放电等离子体激发源控制新方法

• 发表时间: 2003
• 期刊: 分析化学 52
• 作者: T.Maeda;T.Maeda;我妻 和明;T.Maeda;K.Wagatsuma;後澤 洋平;T.M.Naeem;児玉 憲治;T.M.Naeem;K.Wagatuma;H.Matsuta;我妻 和明;K.Wagatsuma;K.Kodama;我妻 和明;藤村 亨;T.Maeda;Y.Ushirozawa;T.M.Naeem;K.Kodama;T.M.Naeem;K.Wagatsuma;H.Matsuta;K.Wagatsuma;K.Wagatsuma;T.Fujimura;T.Maeda;T.M.Naeem;T.M.Naeem;H.Matsuta;松田 秀幸;K.Wagatsuma;K.Wagatsuma;K.Wagatsuma;我妻 和明
• 通讯作者: 我妻 和明