social and politics

Sharing our latest differential privacy milestones and advancements

Google is committed to investing in privacy-enhancing technologies (PETs) to ensure user data privacy, improving products like Google Home and Google Search.




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Gemini API and Google AI Studio now offer Grounding with Google Search

Grounding with Google Search for the Gemini API and Google AI Studio enhances the accuracy and freshness of Gemini's responses by leveraging Google Search data.




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Supercharging AI Coding Assistants with Gemini Models' Long Context

Sourcegraph's Cody AI assistant, integrated with Google's Gemini 1.5 Flash, can evaluate the advantages of using long-context windows in AI models for code generation and understanding.




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Gemini is now accessible from the OpenAI Library

Developers can now access and build with the latest Gemini models through the OpenAI Library and REST API. Update your code with three lines and get started.




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Web AI Summit 2024 Recap: Client-Side AI for Developers

The first Web AI Summit, hosted by Google on October 18, 2024, brought together experts in machine learning models for web browsers.




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60fps scrolling using pointer-events: none

Paul Lewis did an interesting article a while back about avoiding unnecessary paints through disabling hover effects as the user scrolls, which is a great approach. The down side being managing all your hover states through a parent class. UPDATE: I’ve done a follow up article which demonstrates a more robust technique. .hover .element:hover { … Continue reading "60fps scrolling using pointer-events: none"




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A follow up to obtaining 60fps scrolling performance

60fps scrolling article got quite a few people excited but also a few smart people to point out some flaws in the approach. I was planning to just update the original article but I’ve compiled so much info about this topic that I thought it would be better to do a follow up article and … Continue reading "A follow up to obtaining 60fps scrolling performance"




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Creating a sunrise alarm with the LIFX lightbulb

If you’re unfamiliar with LIFX it’s basically a smart wifi enabled led lightbulb. Lifx recently released a Ruby gem to communicate with it and give it instructions. With winter looming in the southern hemisphere and the sun being up for what feels like 4 seconds at that time of year it’s really hard to get … Continue reading "Creating a sunrise alarm with the LIFX lightbulb"




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UITableView in JavaScript, list view with re-usable cells using flexbox

If you’re familiar with iOS development you will know that a UITableView is very efficient when displaying a list of data. A simplification of what it does is display enough cells to fill the viewport plus a few more either side. As you scroll it re-uses cells that are now out of the viewport so … Continue reading "UITableView in JavaScript, list view with re-usable cells using flexbox"




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Modernizr 3: A beginners guide

Just in time for the launch of Modernizr 3 I’ve been working on a beginners course. This is aimed at people who are getting started in web development and want to know how they can use Modernizr in their workflows. I have 5 vouchers to give away that will give you free access to the … Continue reading "Modernizr 3: A beginners guide"




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So how does the browser actually render a website

September 2015 I had the privelage of giving a talk at JSConfEU 2015 in Berlin. My topic was about what the browser actually does to construct your website and show it on the screen. This is a topic I’ve been digging into for a few years now and it was really fun trying to distill … Continue reading "So how does the browser actually render a website"




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Changing content type of a file in a FormData request with cURL

The other day I had to test an API response based on a file having the incorrect Content-Type of a FormData PUT request. After some digging in cURL I found the -F & --form flag to set the file and its content type. If you don’t specify the content type it will be inferred from … Continue reading "Changing content type of a file in a FormData request with cURL"




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Stop iOS10 browser auto-locking

I had twitter open the other day and I had to put my phone down and attend to something else, the timeline happened to be on a looping gif video and I noticed when I came back that my phone was still awake and unlocked the fact that video was in view kept the phone … Continue reading "Stop iOS10 browser auto-locking"




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How I built my earthin24 twitter bot

At work my team have recently taken over a golang app. To learn a new language I like to build something that keeps my interest and by the nature of exploring something of interest you tend to cover way more surface area of a language this way. 🌏 12pm 25th August – 12pm 26th August … Continue reading "How I built my earthin24 twitter bot"




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An earth mosaic

So a while back I created a twitter bot @earthin24 that generates a video of earth, as seen from himawari8 satellite, every day. To see the year out I wanted to create a combined video into a mosaic. 🌏 Earth mosaic of all days captured so far for 2017 in 4k pic.twitter.com/VGf5qUct1M — Earth (@earthin24) … Continue reading "An earth mosaic"




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Enhancing soil geographic recognition through LIBS technology: integrating the joint skewness algorithm with back-propagation neural networks

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00251B, Paper
Weinan Zheng, Xun Gao, Kaishan Song, Hailong Yu, Qiuyun Wang, Lianbo Guo, Jingquan Lin
The meticulous task of soil region classification is fundamental to the effective management of soil resources and the development of accurate soil classification systems.
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Accurate determination of ultra-trace rare earth elements by LA-ICP-MS/MS and its application to cassiterite for effective elimination of Gd and Tb false positive anomalies

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00271G, Paper
Ming Yang, Wu Wei, Yue-Heng Yang, Rolf L. Romer, Shi-Tou Wu, Tao Wu, Li-Feng Zhong
This study reports a new method for in situ determination of ultra-low REE contents in cassiterite by LA-ICP-MS/MS with an O2 and mass-shift detection strategy to avoid Gd and Tb anomalies.
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Investigation of Al Kα satellite lines through a high-efficiency multi-channel FSSR

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00197D, Paper
Zexian Zhou, Rui Cheng, Huiyao Du, Shengzhen Yi, Fen Fu, Guodong Wang, Lulin Shi, Zhao Wang, Xuejian Jin, Yanhong Chen, Yanshi Zhang, Liangwen Chen, Jie Yang, Maogen Su
Spectral results of Al diagram lines and satellite lines were obtained using a self-developed high-efficiency multi-channel FSSR.
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A Pb-free Sn–Bi alloy mount preparation method for secondary ion mass spectrometry (SIMS) analyses

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00252K, Technical Note
Wan-Feng Zhang, Qing Yang, Xiao-Ping Xia, De-Wen Zheng, Ze-Xian Cui, Yan-Qiang Zhang, Yi-Gang Xu
Sample preparation is a critical step for in situ analysis. In this study, we proposed an easy-to-prepare Pb-free alloy for sample mount preparation, which is suitable for SIMS water content and isotope analyses.
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Vesuvianite: a new mineral species of (U–Th)/He geochronology

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00127C, Paper
Jie An, Lin Wu, Fei Wang, Qindi Wei, Jingbo Sun, Zhiyong Zhang, Rong Ren, Nan Wang
This research is the first attempt to date vesuvianite by (U–Th)/He technique. Diffusion experiment obtained a closure temperature range of 82–140 °C, which makes it a new (U–Th)/He thermochrometer to investigate the denudation of skarn deposit.
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Improvements in low-level radionuclide measurement capability through use of the Apex Q sample introduction system combined with ICP-MS/MS

J. Anal. At. Spectrom., 2024, 39,2929-2936
DOI: 10.1039/D4JA00216D, Paper
Ben Russell, Frankie Falksohn, Alexandre Tribolet, Hibaaq Mohamud, Olivia Pearson, Emma Braysher, Saskia Burke, Anu Bhaisare
Improvement in sensitivity and interface removal capability for radionuclide measurement using desolvating sample introduction combined with ICP-MS/MS.
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Measurement of uranium in a glass matrix based on spatial confinement using fiber-optic laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, 39,2716-2727
DOI: 10.1039/D4JA00237G, Paper
Xinyu Guo, Jian Wu, Jinghui Li, Mingxin Shi, Xinxin Zhu, Ying Zhou, Di Wu, Ziyuan Song, Sijun Huang, Xingwen Li
The storage and management of nuclear waste materials require the detection of uranium, but traditional analytical methods are unsuitable for radioactive environments.
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High-precision, mass dependent Si isotope measurements via the critical mixture double-spiking technique

J. Anal. At. Spectrom., 2024, 39,2799-2808
DOI: 10.1039/D4JA00152D, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Xiao-Ning Liu, Martijn Klaver, Remco C. Hin, Christopher D. Coath, Hong Chin Ng, Tim Elliott
We developed critical mixture double-spiking Si isotope measurement, achieving an enhanced long-term reproducibility of ±0.03‰ (δ30Si, 2 s.d.), which is ∼4 times better than the current methods' long-term reproducibility over ±0.1‰ (δ30Si, 2 s.d.).
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Bimodal data fusion of LIBS spectroscopy and plasma acoustic emission signals: improving the accuracy of machining process identification for low roughness samples

J. Anal. At. Spectrom., 2024, 39,2737-2747
DOI: 10.1039/D4JA00225C, Paper
Shilei Xiong, Minchao Cui, Nan Yang, Guangyuan Shi, Yuxin Pi, Yuyang Mu, Yuntao Zhang, Yue Zhao
The fusion of LIBS spectral data with PAES data improves machining process classification identification accuracy.
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Development and application of reference and routine analytical methods providing SI-traceable results for the determination of technology-critical elements in PCB from WEEE

J. Anal. At. Spectrom., 2024, 39,2809-2823
DOI: 10.1039/D4JA00235K, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Giancarlo D'Agostino, Marcus Oelze, Jochen Vogl, Jean-Philippe Ghestem, Nicolas Lafaurie, Ole Klein, Daniel Pröfrock, Marco Di Luzio, Luigi Bergamaschi, Radojko Jaćimović, Caroline Oster, Johanna Irrgeher, Shaun T. Lancaster, Anna Walch, Anita Röthke, Lena Michaliszyn, Axel Pramann, Olaf Rienitz, Timo Sara-Aho, Oktay Cankur, Derya Kutan, Johanna Noireaux
Development and test of five reference analytical methods and six routine analytical methods providing SI-traceable results of twenty technology-critical elements in end-of-life PCB materials.
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A simplified instrumental protocol for trace Nd and Hf isotope measurements (<10 ng) using a MC-ICP-MS and an Apex Omega de-solvating system

J. Anal. At. Spectrom., 2024, 39,2694-2702
DOI: 10.1039/D4JA00276H, Technical Note
Ting Zhou, Liang Qi, Sheng-hua Liu, Bo Zhou
Accurate and precise Nd and Hf isotope measurements of samples with low contents by simple adjustments of an Apex Omega membrane de-solvating system.
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A novel in situ methodology for U–Pb, (U–Th)/He, and fission track triple dating

J. Anal. At. Spectrom., 2024, 39,2856-2869
DOI: 10.1039/D4JA00257A, Paper
Jie Hu, Zhiwu Li, Jinxi Li, Shugen Liu, Ganqing Xu, Chaoqun Yang, Kui Tong, Yin Li
For the first time, this paper introduces a general workflow for in situ U–Pb, (U–Th)/He, and fission track triple dating on a single grain.
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Optimization of informative variables selection for quantitative analysis of heavy metal (Cu) contaminated Tegillarca granosa using laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, 39,2824-2831
DOI: 10.1039/D4JA00084F, Paper
Xudong Huang, Xiaojing Chen, Guangzao Huang, Zhonghao Xie, Wen Shi, Shujat Ali, Leiming Yuan, Xi Chen
The KMRCD algorithm successfully selected 50 informative variables from the 1520 variables in the LIBS spectra.
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Evaluation and calibration of matrix effects during SIMS silicon isotope analysis in silicate glasses

J. Anal. At. Spectrom., 2024, 39,2832-2840
DOI: 10.1039/D4JA00253A, Paper
Liu-Yang Chen, Yu Liu, Di Zhang, Guo-Qiang Tang, Qiu-Li Li
A matrix effect calibration model during SIMS silicon isotope analysis based on the contents of Si, Ca, Al and Mg (SCAM model) in silicate glasses.
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Trace element determination by femtosecond LA-ICP-MS in 10 mg extraterrestrial geological samples prepared as lithium borate glasses

J. Anal. At. Spectrom., 2024, 39,2728-2736
DOI: 10.1039/D4JA00275J, Paper
Yan-Hong Liu, Ding-Shuai Xue, Wen-Jun Li, Zhong-Qiang Wang, Yan Liang, Shun Guo, Bo Wan
This method involves precise trace element determination in X-ray fluorescence (XRF) lithium borate glass prepared from 10 mg extraterrestrial geological samples using femtosecond LA-ICP-MS.
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Sodium nanoferrite-based solid phase extraction: a green method for the simultaneous determination of cadmium, copper, and lead

J. Anal. At. Spectrom., 2024, 39,2884-2892
DOI: 10.1039/D4JA00210E, Paper
Saima Perveen, Aysen Hol, Jameel Ahmed Baig, Syed Tufail Hussain Sherazi, Khalil Akhtar, Sajjad Hussain, Fahad Abbasi
A solid phase extraction (SPE) methodology utilizing sodium ferrite nanoparticles (Na2Fe4O7-NPs; SF-NPs) is presented for the simultaneous determination of heavy metals (HMs) via flame atomic absorption spectrometry (FAAS).
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First demonstration of in situ Lu–Hf dating using LA-ICP-MS/MS applied to monazite

J. Anal. At. Spectrom., 2024, 39,2703-2715
DOI: 10.1039/D4JA00258J, Technical Note
Shitou Wu, Junlong Niu, Yueheng Yang, Hao Wang, Jinhui Yang, Fuyuan Wu
Monazite is a LREE-rich accessory mineral in various igneous and metamorphic rocks; therefore, monazite geochronology has the potential to answer a range of important geological questions.
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An ensemble model for rapid quantitative determination of vanadium (V) in petroleum coke by laser-induced breakdown spectroscopy

J. Anal. At. Spectrom., 2024, 39,2841-2855
DOI: 10.1039/D4JA00300D, Paper
Hongkun Du, Tengfei Sun, Shaoying Ke, Dongfeng Qi, Wei Zhang, Juan Wei, Bing Yang, Hongyu Zheng
Precise detection and analysis of trace elements in materials are critical for various industrial applications.
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Quantification of technetium-99 in wastewater by means of automated on-line extraction chromatography – anion-exchange chromatography – inductively coupled plasma-mass spectrometry

J. Anal. At. Spectrom., 2024, 39,2774-2782
DOI: 10.1039/D4JA00270A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Maximilian Horstmann, C. Derrick Quarles, Steffen Happel, Michael Sperling, Andreas Faust, David Clases, Uwe Karst
Ultratrace concentrations of pertechnetate are determined by preconcentration on a dedicated resin and anion exchange chromatography with ICP-MS detection.
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Efficient preconcentration of ultra-trace rhenium from geological materials via induced adsorption for accurate isotope analysis

J. Anal. At. Spectrom., 2024, 39,2748-2755
DOI: 10.1039/D4JA00295D, Paper
Yumeng Liu, Tianyu Chen, Tao Li, Weiqiang Li, Qingquan Hong, Jiubin Chen
Preconcentration via induced adsorption achieves the quantitative recovery of Re and facilitates Re isotope analysis.
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Data fusion of spectral and acoustic signals in LIBS to improve the measurement accuracy of carbon emissions at varying gas temperatures

J. Anal. At. Spectrom., 2024, 39,2756-2766
DOI: 10.1039/D4JA00287C, Paper
Shu Chai, Jie Ren, Suming Jiang, Aochen Li, Ziqing Zhao, Haimeng Peng, Qiwen Zhang, Wendong Wu
A novel mid-level data fusion method integrating spectral and acoustic signals of laser-induced plasmas was proposed to improve the measurement accuracy of carbon concentrations in flue gas at varying gas temperatures.
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Self-absorption correction of NEXAFS spectra for intermediate sample thicknesses applied to organo-sulfur model compounds

J. Anal. At. Spectrom., 2024, 39,2893-2902
DOI: 10.1039/D4JA00232F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Konstantin Skudler, Michael Walter, Michael Sommer, Matthias Müller
We present a self-absorption correction for NEXAFS which is valid for any sample thickness. The corrected spectrum is recovered in a forward calculation by fitting a model spectrum to experimental data of samples with ideally different thicknesses.
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Mg separation from samples with very high Ca/Mg ratios for Mg isotope analysis

J. Anal. At. Spectrom., 2024, 39,2767-2773
DOI: 10.1039/D4JA00266K, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Niklas Keller, Michael Tatzel
We present an efficient method to separate Mg from samples with high Ca/Mg matrices for the analysis of Mg isotope ratios. By utilising the automated sample purification system prepFAST, the labour is substantially minimised.
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A single-column and efficient procedure for separating Fe and Mg from geological materials for isotopic analyses using MC-ICP-MS

J. Anal. At. Spectrom., 2024, 39,2783-2790
DOI: 10.1039/D4JA00272E, Paper
Guanhong Zhu, Zhenmin Ge, Le Zhang, Gangjian Wei, Jinlong Ma
We developed a single-column and efficient procedure for separating Fe and Mg from geological materials for isotope measurements.
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Accurate determination of ultra-trace REEs in seawater using a membrane desolvation Q-ICP-MS coupled with an online automatic separation system

J. Anal. At. Spectrom., 2024, 39,2870-2883
DOI: 10.1039/D4JA00240G, Paper
Ji-Hao Zhu, Feng-You Chu, Feng Liang, Xian-Ying Luo, Qiang Liu, Quan-Hui Xu, Wei Yu, Yong-Chun Li, Jiang-Gu Lu, Yun-Xiu Li, Yan-Hui Dong, Huai-Ming Li, Jun Zhao, Cai Zhang
A highly precise method, based on a traditional Q-ICP-MS coupled with an online automatic separation system and membrane desolvation sample introduction device, was developed for accurate determination of ultra-trace REEs in seawater samples.
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Research on a bimodal fusion detection method for surface defects of metal AM components based on LIBS

J. Anal. At. Spectrom., 2024, 39,2917-2928
DOI: 10.1039/D4JA00159A, Paper
Xiaomei Lin, Jiangfei Yang, Yutao Huang, Jingjun Lin, Changjin Che
A bimodal fusion method using Laser-Induced Breakdown Spectroscopy (LIBS) is proposed to identify surface defects in metal additive manufacturing (AM) samples. This method integrates LIBS spectra with plasma image data to enhance defect detection.
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Assessment of the metal grain size of 12Cr1MoV steel by LIBS coupled with acoustic wave information

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00285G, Paper
Feiqiang Tang, Meirong Dong, Junbin Cai, Zhichun Li, Kaiqing Chen, Weijie Li, Shunchun Yao, Jidong Lu
A modelling scheme that integrates spectral and acoustic data was put forth as a means of enhancing the precision of grain size detection in 12Cr1MoV steel.
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Assessing the performance of handheld LIBS for predicting soil organic carbon and texture in European soils

J. Anal. At. Spectrom., 2024, 39,2903-2916
DOI: 10.1039/D4JA00292J, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Alex Wangeci, Maria Knadel, Olga De Pascale, Mogens H. Greve, Giorgio S. Senesi
Evaluating the performance of handheld LIBS for determination of soil properties across a continental scale.
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Atomic spectrometry update: review of advances in the analysis of metals, chemicals and materials

J. Anal. At. Spectrom., 2024, 39,2617-2693
DOI: 10.1039/D4JA90052A, Atomic Spectrometry Update
Eduardo Bolea-Fernandez, Robert Clough, Andy Fisher, Bridget Gibson, Ben Russell
This review covers advances in the analysis of advanced materials, metals, fuels and lubricants, nanostructures, ceramics, refractories, chemicals, catalysts and nuclear materials by a range of techniques including ICP-MS, non-destructive surface ablation and X-ray.
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Evaluation of miniaturized ultrasonic nebulization for high-efficiency sampling in characterization of silver nanoparticles by single particle inductively coupled plasma mass spectrometry

J. Anal. At. Spectrom., 2024, 39,2791-2798
DOI: 10.1039/D4JA00320A, Paper
Junhang Dong, Zhenli Zhu, Lujie Li, Pengju Xing, Shuyang Li, Lei Ouyang, Xing Liu, Wei Guo, Hongtao Zheng, Rong Qian
Miniaturized ultrasonic nebulization (MUN) provides high sampling efficiency for single particle inductive coupled plasma mass spectrometry (sp-ICPMS).
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Hydrophobicity induced graphene oxide based dispersive micro solid phase extraction of strontium from seawater and groundwater prior to GFAAS determination

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D3JA00445G, Paper
Maria Sebastian, Saikrishna Devulapally, Sk. Jayabun, Noorbasha Nagula Meeravali, Shekhar Raparthi, A. C. Sahayam
A novel graphene oxide (GO) mediated dispersive micro solid phase extraction method is developed for the extraction of ultratrace level strontium (Sr) from seawater and ground water. This method involves...
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A new concept for correction of instrumental isotopic fractionation in MC-ICP-MS using a pair of monoisotopic elements: a critical evaluation

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00117F, Paper
Open Access
Andrii Tupys, Klaudia Tetfejer, Ludwik Halicz, Ewa Bulska, Jakub Karasiński
In this research work, we investigated the possibility of using mixtures of monoisotopic elements (93Nb/89Y, 165Ho/159Tb and 209Bi/197Au) as calibrators for accurate determination of isotope ratios by multicollector mass spectrometry (MC-ICP-MS).
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INSIGHTS INTO THE ROLE OF TRANSITION AND NOBLE METALS MEDIATING PHOTOCHEMICAL VAPOR GENERATION

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00261J, Tutorial Review
Open Access
Ralph E Sturgeon, Enea Pagliano, Gisele Simone Lopes, Renato Neto, Jane Kelly Sousa Brito
Abstract The recent expansion of the suite of elements amenable to photochemical vapor generation (PVG) is primarily linked to the addition of mg/L concentrations of selected transition metals (TMs) to...
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Chemical analysis of Chang’e-5 lunar soil using LA–ICP–MS in highly diluted fused glass discs

J. Anal. At. Spectrom., 2024, Accepted Manuscript
DOI: 10.1039/D4JA00329B, Technical Note
Shi-Tou Wu, Ding-Shuai Xue, Yue-Heng Yang, Hao Wang, Chunlai Li, Fu-Yuan Wu
The bulk chemical compositions of extraterrestrial material can provide critical information on the evolution and magmatism of planetary bodies. However, accurate measurements are challenging, because these samples, particularly returned samples,...
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Combined enhancement of fiber-optic laser-induced breakdown spectroscopy coupling spatial confinement and double-pulse irradiation

J. Anal. At. Spectrom., 2024, Advance Article
DOI: 10.1039/D4JA00291A, Paper
Yan Qiu, Jinghui Li, Bowen Lu, Jian Wu, Xinyu Guo, Yuhua Hang, Yongdong Li, Xingwen Li
The mechanism of double-pulse laser irradiation under spatial confinement remains unclear due to complex plasma plume dynamics and multiple shock wave interactions.
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