Comparison of scandium-based post-plasma chemical ionization approaches for elemental fluorine detection by nitrogen microwave-sustained inductively-coupled atmospheric-pressure plasma [0.03%]
基于钪的亚稳态氮等离子体辅助大气压化学电离方法对氟元素检测的比较研究
Jordan L Tanen,Kaveh Jorabchi
Jordan L Tanen
Fluorine detection has been a challenge in elemental mass spectrometry because of inefficient ion generation. Polyatomic analytical ion formation has emerged as a promising strategy to address this limitation. Here, we compare several post-...
Solution Cathode Glow Discharge Coupled to Atmospheric Pressure Chemical Ionization for Elemental Detection of S and P in Organic Compounds [0.03%]
用于有机化合物中S和P元素检测的常压化学电离耦合解溶液阴极辉光放电法
Frenio A Redeker,Kelsey O&#x;Malley,William P McMahon et al.
Frenio A Redeker et al.
We report a post-plasma chemical ionization approach to evaluate solution cathode glow discharge (SCGD) for S and P elemental analysis. Here, the SCGD serves as a reactor to produce chemical vapors for S and P from organic compounds contain...
Determination of seventeen major and trace elements in new float glass standards for use in forensic comparisons using laser ablation inductively coupled plasma mass spectrometry [0.03%]
用于法医比较的新浮法玻璃标准中主要元素和痕量元素的测定（激光剥蚀电感耦合等离子体质谱法）
José Almirall,Anuradha Akmeemana,Katelyn Lambert et al.
José Almirall et al.
Consensus concentration values for seventeen (17) major and trace elements typically present in soda-lime glass manufactured using the "float " process and used in the quantitative analysis and forensic comparison of glass samples were dete...
A predictive model for elemental carbon, organic carbon and total carbon based on laser induced breakdown spectroscopy measurements of filter-collected diesel particulate matter [0.03%]
基于激光诱导击穿光谱测量的滤料收集的柴油颗粒物预测元素碳、有机碳和总碳的模型
R P McLaughlin,D A Parks,A I Grubb et al.
R P McLaughlin et al.
Diagnosis of Alzheimer's disease using laser-induced breakdown spectroscopy and machine learning [0.03%]
基于激光诱导击穿光谱和机器学习的阿尔茨海默病诊断
Rosalba Gaudiuso,Ebo Ewusi-Annan,Weiming Xia et al.
Rosalba Gaudiuso et al.
Alzheimer's disease (AD) is a progressive incurable neurodegenerative disease and a major health problem in aging population. We show that the combined use of Laser-Induced Breakdown Spectroscopy (LIBS) and machine learning applied for the ...
Evaluation of a New Optic-Enabled Portable XRF Instrument for Measuring Toxic Metals/Metalloids in Consumer Goods and Cultural Products [0.03%]
一种新型光学增强型便携式X射线荧光仪在消费品和文化产品中毒金属/类金属检测中的应用评估
Diana Guimarães,Meredith L Praamsma,Patrick J Parsons
Diana Guimarães
X-ray fluorescence spectrometry (XRF) is a rapid, non-destructive multi-elemental analytical technique used for determining elemental contents ranging from percent down to the µg/g level. Although detection limits are much higher for XRF c...
Surface characterization of carbon fiber reinforced polymers by picosecond laser induced breakdown spectroscopy [0.03%]
皮秒激光击穿光谱法表征碳纤维增强聚合物表面特性
Rodolfo Ledesma,Frank Palmieri,John Connell et al.
Rodolfo Ledesma et al.
Adhesive bonding of composite materials requires reliable monitoring and detection of surface contaminants as part of a vigorous quality control process to assure robust and durable bonded structures. Surface treatment and effective monitor...
Portable X-ray fluorescence spectroscopy as a rapid screening technique for analysis of TiO2 and ZnO in sunscreens [0.03%]
便携式X射线荧光光谱法在防晒霜中TiO2和ZnO分析中的快速筛查技术研究
Venu Gopal Bairi,Jin-Hee Lim,Ivan R Quevedo et al.
Venu Gopal Bairi et al.
This investigation reports a rapid and simple screening technique for the quantification of titanium and zinc in commercial sunscreens using portable X-ray fluorescence spectroscopy (pXRF). A highly evolved technique, inductively coupled pl...
Radial line-scans as representative sampling strategy in dried-droplet laser ablation of liquid samples deposited on pre-cut filter paper disks [0.03%]
在预切滤纸盘上沉积的液相样品的干燥滴激光剥蚀中的径向线扫描代表性采样策略
Winfried Nischkauer,Frank Vanhaecke,Sébastien Bernacchi et al.
Winfried Nischkauer et al.
Nebulising liquid samples and using the aerosol thus obtained for further analysis is the standard method in many current analytical techniques, also with inductively coupled plasma (ICP)-based devices. With such a set-up, quantification vi...
Combined evaluation of grazing incidence X-ray fluorescence and X-ray reflectivity data for improved profiling of ultra-shallow depth distributions [0.03%]
结合 grazing incidence X 射线荧光和 X 射线反射数据综合评价 提高超浅深度分布的剖面分析精度
D Ingerle,F Meirer,G Pepponi et al.
D Ingerle et al.
The continuous downscaling of the process size for semiconductor devices pushes the junction depths and consequentially the implantation depths to the top few nanometers of the Si substrate. This motivates the need for sensitive methods cap...