Spectrochimica Acta Part B: Atomic Spectroscopy最新文献_第10页

Outside Front Cover - Journal name, Cover image, Volume issue details, ISSN, Cover Date, Elsevier Logo and Society Logo if required 封面外侧 - 期刊名称、封面图片、卷期详情、ISSN、封面日期、爱思唯尔徽标和学会徽标（如需要

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-21 DOI: 10.1016/S0584-8547(24)00164-2

引用次数: 0

Enhanced plasma grating-induced breakdown spectroscopy for sensitive detection of heavy metal in solution 用于灵敏检测溶液中重金属的增强型等离子体光栅诱导击穿光谱仪

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-17 DOI: 10.1016/j.sab.2024.107019

Fangfang Li , Mengyun Hu , Yu Qiao , Shupeng Xu , Enlai Wan , Heping Zeng

{"title":"Enhanced plasma grating-induced breakdown spectroscopy for sensitive detection of heavy metal in solution","authors":"Fangfang Li , Mengyun Hu , Yu Qiao , Shupeng Xu , Enlai Wan , Heping Zeng","doi":"10.1016/j.sab.2024.107019","DOIUrl":"10.1016/j.sab.2024.107019","url":null,"abstract":"<div><p>Plasma grating-induced breakdown spectroscopy (GIBS) has gained notable attention for its capacity in trace metal element detection. This study examined the utilization of plasma grating to create micropores and nanoparticles on a Si sample surface and explored their impact on GIBS. We found that the presence of these features resulted in a significant 2.4-fold enhancement in the spectral intensity of the Si plasma at a laser energy of 2.7 mJ, with micropores structures and nanoparticles promoting the plasma excitation. Furthermore, the effect of micropores structures and nanoparticles on the spectral intensities of Cr and Cd elements in water was investigated. Significantly, the spectral line intensity of heavy metal Cr and Cd in the etched area was about 4.5 and 2.6 times that of the unetched area, and the detection limit for trace levels of Cr and Cd in water was determined to be 6.40 mg/L and 75.0 mg/L, respectively. These findings highlight the promising potential of the enhanced GIBS as a more sensitive method for detecting trace metal elements in water.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107019"},"PeriodicalIF":3.2,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142122091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Continuous emission monitoring the trace Sr from simulant aerosol emission with LIPS 利用 LIPS 对模拟气溶胶排放的痕量 Sr 进行连续排放监测

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-14 DOI: 10.1016/j.sab.2024.107015

Hongyu He , Zhixing Gao , Heng Tian , Yun He , Juntao Liu , Yuanhang Wang , Zhiyi Liu , Bing Guo

{"title":"Continuous emission monitoring the trace Sr from simulant aerosol emission with LIPS","authors":"Hongyu He , Zhixing Gao , Heng Tian , Yun He , Juntao Liu , Yuanhang Wang , Zhiyi Liu , Bing Guo","doi":"10.1016/j.sab.2024.107015","DOIUrl":"10.1016/j.sab.2024.107015","url":null,"abstract":"<div><p>Continuous emission monitoring (CEM) of strontium in aerosols is of great significance for air pollution prevention and industrial facilities emission monitoring. Laser-induced plasma spectroscopy (LIPS, also LIBS) is a promising technology for direct and online monitoring aerosols because of the advantages of no sample preparation, rapid analysis, and online detection. An enhanced LIPS setup with high detection sensitivity and short detection cycles is integrated to meet the demand for continuous monitoring of trace element aerosols. The continuous monitoring of strontium in aerosols is introduced with an improved LIPS setup. The setup is calibrated and tested with different concentrations of strontium aerosols generated by aerosol generators. The enhanced LIPS setup can quantify 22 <em>ng</em>/<em>m</em><sup>3</sup> strontium in aerosol within 10 min. Based on experiments, a calibration curve for the strontium aerosol is established and the limit of detection (LOD) of the setup reaches 1.8 <em>ng</em>/<em>m</em><sup>3</sup>, which meets the need for continuous monitoring of trace elements.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107015"},"PeriodicalIF":3.2,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Total atmospheric carbon detection by LIBS with multivariate physicochemical model based on transition and collision mechanism 利用基于过渡和碰撞机制的多元物理化学模型，通过 LIBS 检测大气中的总碳含量

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-12 DOI: 10.1016/j.sab.2024.107018

Zhuoyan Zhou, Yifan Ge, Xinyang Zhang, Yanpeng Ye, Minglei Yang, Zhongmou Sun, Yuzhu Liu

{"title":"Total atmospheric carbon detection by LIBS with multivariate physicochemical model based on transition and collision mechanism","authors":"Zhuoyan Zhou, Yifan Ge, Xinyang Zhang, Yanpeng Ye, Minglei Yang, Zhongmou Sun, Yuzhu Liu","doi":"10.1016/j.sab.2024.107018","DOIUrl":"10.1016/j.sab.2024.107018","url":null,"abstract":"<div><p>The importance of total atmospheric carbon (TAC) has been increasingly recognized in light of the growing significance of global climate change. The concept of TAC has expanded beyond its previous focus solely on CO<sub>2</sub> to encompass additional novel components. Here, a promising detection-analysis system for TAC quantitative detection is self-developed using LIBS and a multivariate physicochemical model based on transition and collision mechanism (MP-TC model). Spectral signals under different compositions were analyzed based on static detection. Then, a MP-TC model was developed by incorporating particle collisions and transition mechanisms. Subsequently, three dynamic monitoring were conducted analyzing the dynamic spectra obtained when CO<sub>2</sub>, CO, and CH<sub>4</sub> were the different primary components of TAC. Interestingly, an anomalous CN transition was observed in Fuel combustion and the inhibited low vibrational transitions in symmetric molecules can be explored in CH<sub>4</sub> gradient concentration. Additionally, each dynamic process was fitted using the MP-TC model, confirming its reliability in TAC detection and its better alignment with the observed trends.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107018"},"PeriodicalIF":3.2,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141992659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elemental analysis of valuable byproducts by TXRF spectrometry: coal fly ash and activated carbon 利用 TXRF 光谱法对有价值的副产品进行元素分析：粉煤灰和活性炭

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-10 DOI: 10.1016/j.sab.2024.107017

Amedeo Cinosi , Giacomo Siviero , Zach McCaffrey

{"title":"Elemental analysis of valuable byproducts by TXRF spectrometry: coal fly ash and activated carbon","authors":"Amedeo Cinosi , Giacomo Siviero , Zach McCaffrey","doi":"10.1016/j.sab.2024.107017","DOIUrl":"10.1016/j.sab.2024.107017","url":null,"abstract":"<div><p>In order to ensure that byproducts are environmentally friendly and fit for purpose, their chemical composition must be determined, with special attention to elements at trace level. The large variability in the type of matrices demands a versatile analytical technique, compatible with sample preparation methods allowing both fast composition screenings and accurate quantitative analysis.</p><p>In this work, byproducts derived from carbon-rich matrices, including coal fly ash and activated carbon from coconut and almond shells, were investigated by means of total reflection x-ray spectrometry and different sample preparations. Suspension, acid digestion, solid-liquid extraction and ashing were performed and assessed as to their complexity and detection capabilities, ranging from 0.01 mg/kg to 16 mg/kg, depending on the element and sample preparation. The internal standard quantification with gallium, aided by a variation of the standard additions method to take into account its possible presence in the samples, allowed to determine elements of environmental and technological interest, including K, Ca, Ti, V, Mn, Cr, Ni, Cu, Zn, Ga, As, Sr, Pb. Assets, limits and possible developments are presented and discussed.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107017"},"PeriodicalIF":3.2,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142044492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improvement of the spatial resolution of the spatial mapping of metallic coatings by using picosecond LIBS 利用皮秒激光干涉仪提高金属涂层空间绘图的空间分辨率

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-06 DOI: 10.1016/j.sab.2024.107016

Zhenzhen Wang , Sijie Shen , Yuta Arima , Chi Li , Wangzheng Zhou , Shoujie Li , Junjie Yan , Yoshihiro Deguchi

{"title":"Improvement of the spatial resolution of the spatial mapping of metallic coatings by using picosecond LIBS","authors":"Zhenzhen Wang , Sijie Shen , Yuta Arima , Chi Li , Wangzheng Zhou , Shoujie Li , Junjie Yan , Yoshihiro Deguchi","doi":"10.1016/j.sab.2024.107016","DOIUrl":"10.1016/j.sab.2024.107016","url":null,"abstract":"<div><p>Laser-induced breakdown spectroscopy (LIBS) has been widely applied in various fields such as environmental monitoring, materials science, and archaeological research. The current research focuses on improving the spatial resolution of elemental spatial imaging by using LIBS. The nanosecond laser is commonly used in LIBS. During the nanosecond laser ablation process, there is a thermal effect on the target material, making it difficult to further improve the spatial resolution. This study used a picosecond laser to investigate the effects of the diameter of laser focusing spot, laser energy, and laser irradiation interval on the spatial resolution of LIBS. The spatial mapping of metallic coatings by using LIBS with a spatial resolution of 1 μm was achieved by using laser energy of 0.4 μJ/pulse and irradiation interval of 0.8 μm. The LIBS measurement results are in good agreement with the scanning electron microscopy energy dispersive X-ray spectroscopy (SEM-EDS) results. This research shows that by changing the laser ablation conditions, the spatial resolution of the spatial mapping of metallic coatings by using LIBS based on picosecond laser can be reduced to 1 μm or lower.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107016"},"PeriodicalIF":3.2,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142048030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elucidation of discharge mechanisms in He- and Ar-flexible μ-tube plasmas by temporally and spatially resolved plasma optical emission phoresis spectroscopy 通过时间和空间分辨等离子体光发射磷光光谱阐明氦和氩柔性μ管等离子体中的放电机制

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-05 DOI: 10.1016/j.sab.2024.107014

Hao Song , Caiyan Tian , Luisa Speicher , Norman Ahlmann , Sebastian Brandt , Guanghui Niu , Joachim Franzke

{"title":"Elucidation of discharge mechanisms in He- and Ar-flexible μ-tube plasmas by temporally and spatially resolved plasma optical emission phoresis spectroscopy","authors":"Hao Song , Caiyan Tian , Luisa Speicher , Norman Ahlmann , Sebastian Brandt , Guanghui Niu , Joachim Franzke","doi":"10.1016/j.sab.2024.107014","DOIUrl":"10.1016/j.sab.2024.107014","url":null,"abstract":"<div><p>A Helium- and Argon-flexible μ-tube plasma (FμTP) driven by a square wave high voltage were investigated by means of temporally and spatially resolved spectroscopy to characterize the discharge mechanisms. These two discharge gases show different discharge behavior in the same FμTP-configuration. The mixtures of different concentration of propane in Ar were used as discharge gases to confirm the role of Ar<sup>+</sup> in an Ar-FμTP by tuning the discharge behavior. It was demonstrated that, N<sub>2</sub><sup>+</sup> are mainly responsible for the excitation and ionization and only small amount of He<sup>+</sup> are produced in a He-FμTP, whereas Ar-FμTP lives from Ar<sup>+</sup>. These ions as well as excited species do not propagate beyond the capillary during the negative half cycle, resulting in a negligible contribution for protonation in this half cycle. The present study proposes a new method to data analysis, Plasma Optical Emission Phoresis Spectroscopy, which allows to distinguish noble gas ions from excited noble gas species.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"219 ","pages":"Article 107014"},"PeriodicalIF":3.2,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141978829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Lithium isotope ratio analysis of geological samples using atomic absorption spectrometry with improved spectral resolution 利用光谱分辨率更高的原子吸收光谱法对地质样本进行锂同位素比率分析

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-02 DOI: 10.1016/j.sab.2024.107013

Dalia Morcillo , Alexander Winckelmann , Daniel A. Frick , Lars Jacobsen , Tino Seger , Stefan Florek , Silke Richter , Jochen Vogl , Sebastian Recknagel , Ulrich Panne , Carlos Abad

{"title":"Lithium isotope ratio analysis of geological samples using atomic absorption spectrometry with improved spectral resolution","authors":"Dalia Morcillo , Alexander Winckelmann , Daniel A. Frick , Lars Jacobsen , Tino Seger , Stefan Florek , Silke Richter , Jochen Vogl , Sebastian Recknagel , Ulrich Panne , Carlos Abad","doi":"10.1016/j.sab.2024.107013","DOIUrl":"10.1016/j.sab.2024.107013","url":null,"abstract":"<div><p>This study introduces an improved spectrometric method with enhanced precision to determine isotope ratios in geological samples without chromatographic separation. Firstly, the improvement is achieved by increasing the spectral resolution of the spectrometer applied in well-known high-resolution continuum source atomic absorption spectrometry (HR-CS-AAS). The resulting resolving power and linear dispersion of the upgraded setup, which is denoted in the following as HR+CS-AAS, is well adapted to the line widths of the Li isotope components we investigated. Secondly, our proposed method combines optical absorption spectrometry with machine learning data analysis using an extreme gradient boosting algorithm (XGBoost). This method was applied to analyze certified geological reference materials with <em>δ</em><sub>LSVEC</sub>(<sup>7</sup>Li/<sup>6</sup>Li) (hereafter <em>δ</em><sup>7</sup>Li) values ranging from −0.5 ‰ to 4.5 ‰. With a pixel related optical resolving power of λ/∆λ ≈ 780 000, we obtain precisions in <em>δ</em><sup>7</sup>Li measurements from 1.0 ‰ to 2.5 ‰. The method is validated by comparing the results with multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS), confirming its metrological compatibility. This work presents a fast, robust, and reliable method for <em>δ</em><sup>7</sup>Li measurement in geological samples.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"220 ","pages":"Article 107013"},"PeriodicalIF":3.2,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0584854724001575/pdfft?md5=62fdc23880af0f159e2b9bd200e12fa2&pid=1-s2.0-S0584854724001575-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142039719","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Outside Front Cover - Journal name, Cover image, Volume issue details, ISSN, Cover Date, Elsevier Logo and Society Logo if required 封面外侧 - 期刊名称、封面图片、卷期详情、ISSN、封面日期、爱思唯尔徽标和学会徽标（如需要

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-08-01 DOI: 10.1016/S0584-8547(24)00149-6

引用次数: 0

Investigating critical metals Ge and Ga in complex sulphide mineral assemblages using LIBS mapping 利用 LIBS 图谱研究复杂硫化物矿物集合体中的临界金属 Ge 和 Ga

IF 3.2 2区化学

Spectrochimica Acta Part B: Atomic Spectroscopy Pub Date : 2024-07-28 DOI: 10.1016/j.sab.2024.107004

J. Coron , S. Papier , S. Decrée , V. Ferreira , L. Duponchel , J.M. Baele

{"title":"Investigating critical metals Ge and Ga in complex sulphide mineral assemblages using LIBS mapping","authors":"J. Coron , S. Papier , S. Decrée , V. Ferreira , L. Duponchel , J.M. Baele","doi":"10.1016/j.sab.2024.107004","DOIUrl":"10.1016/j.sab.2024.107004","url":null,"abstract":"<div><p>Elemental imaging using Laser-Induced Breakdown Spectroscopy (LIBS) mapping is increasingly applied to a wide range of materials. In geomaterials, phase identification and characterization (mineralogy) are crucial for solving a variety of problems in earth sciences and mining industry.</p><p>Here we applied LIBS mapping to ore samples from the world-class Kipushi deposit, Democratic Republic of Congo, because these ores are known for their great mineral complexity and economic value, especially for their high potential in critical metals such as Ge and Ga.</p><p>The mineralogy of the samples was reconstructed by combining two approaches: 1) element colocalization in LIBS maps that were selected based on the knowledge of occurring mineral species at the site and 2) correlation maps obtained by applying the Interesting Features Finder (IFF) algorithm. Reconstructed minerals include chalcopyrite, bornite, chalcocite, sphalerite, galena, pyrite, tennantite-(Zn), renierite, tungstenite, betekhtinite, carrollite, gallite, and a series of non-sulphide gangue minerals (quartz, carbonate and clay minerals). SEM-EDS was used to confirm the LIBS-derived mineralogy, especially for sub-pixel inclusions.</p><p>Among other results, Ge and Ga are hosted as major elements in renierite and gallite, respectively, and also as trace-elements in chalcopyrite, bornite and tungstenite (for Ge), and chalcopyrite, bornite, sphalerite and renierite (for Ga). Particular attention was paid to iron interfering with gallium at 417.20 nm, for which simple background-corrected peak intensities were compared to a more advanced chemometric method (MCR-ALS). All the results were obtained with minimal time and efforts and, while only qualitative in nature, they already provide essential information about ore texture, mineralogical composition and trace-element distribution across the ore.</p></div>","PeriodicalId":21890,"journal":{"name":"Spectrochimica Acta Part B: Atomic Spectroscopy","volume":"219 ","pages":"Article 107004"},"PeriodicalIF":3.2,"publicationDate":"2024-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141851965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0