{"title":"Outstanding Reviewers for Journal of Analytical Atomic Spectrometry in 2024","authors":"","doi":"10.1039/D5JA90025E","DOIUrl":"https://doi.org/10.1039/D5JA90025E","url":null,"abstract":"<p >We would like to take this opportunity to thank all of <em>Journal of Analytical Atomic Spectrometry</em>’s reviewers for helping to preserve quality and integrity in chemical science literature. We would also like to highlight the Outstanding Reviewers for <em>Journal of Analytical Atomic Spectrometry</em> in 2024.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 1878-1878"},"PeriodicalIF":3.1,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740044","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}
Zhian Bao, Chunlei Zong, Deyi Peng and Honglin Yuan
{"title":"NWU-GN and PY-FHP, two reference materials for in situ Pb isotope analysis of sulfide minerals by LA-MC-ICP-MS: an assessment of matrix effects†","authors":"Zhian Bao, Chunlei Zong, Deyi Peng and Honglin Yuan","doi":"10.1039/D5JA00111K","DOIUrl":"https://doi.org/10.1039/D5JA00111K","url":null,"abstract":"<p >Two new reference materials, NWU-GN and PY-FHP, have been developed and characterised for the calibration of <em>in situ</em> Pb analyses of sulfide minerals by LA-MC-ICP-MS. These two references exhibit homogeneous Pb isotopic compositions compared to existing reference materials. PY-FHP demonstrated excellent external precision of <0.06% for <small><sup>207,208</sup></small>Pb/<small><sup>206</sup></small>Pb and <0.10% for <small><sup>206,207,208</sup></small>Pb/<small><sup>204</sup></small>Pb (2RSD) when using a 100 μm beam size for spot analysis. Similarly, NWU-GN showed good homogeneity at the 9 μm scale, with external precision (2RSD) of Pb isotopes better than 0.01% for <small><sup>207,208</sup></small>Pb/<small><sup>206</sup></small>Pb and 0.025% for <small><sup>206,207,208</sup></small>Pb/<small><sup>204</sup></small>Pb. The <em>in situ</em> analytical results matched those values obtained using solution nebulizer MC-ICP-MS, suggesting NWU-GN and PY-FHP as potential reference materials for microbeam Pb isotopic analysis. Matrix effects were observed during nanosecond laser ablation system analysis when using silicate glass reference materials as the external standard to assess Pb isotopic ratios in sulfide samples, with deviations up to ∼0.17% for <small><sup>206,207,208</sup></small>Pb/<small><sup>204</sup></small>Pb. This necessitates matrix-matched reference materials for highly precise and accurate Pb isotope analysis of sulfide samples using a nanosecond laser ablation system. In comparison, both 266 nm and 206 nm wavelength femtosecond laser ablation systems, combined with MC-ICP-MS, can achieve accurate and precise Pb isotope ratios in sulfide minerals, even with non-matrix-matched silicate glass reference materials.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2107-2116"},"PeriodicalIF":3.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740062","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}
Robert Anczkiewicz, Wolfgang Müller, Szymon Mianowski, Maria Dądela, Alessia Nava, Luca Bondioli, Milena Matyszczak, Anna Jasińska, Jörg Ostendorf, Sofia Bakayeva and Taras Yanytsky
{"title":"Comparative high spatial resolution measurements of Sr isotopic composition in bio-apatite using different LA-MC-ICPMS configurations: application to faunal (sub)seasonal mobility studies†","authors":"Robert Anczkiewicz, Wolfgang Müller, Szymon Mianowski, Maria Dądela, Alessia Nava, Luca Bondioli, Milena Matyszczak, Anna Jasińska, Jörg Ostendorf, Sofia Bakayeva and Taras Yanytsky","doi":"10.1039/D5JA00146C","DOIUrl":"https://doi.org/10.1039/D5JA00146C","url":null,"abstract":"<p >The effects of isobaric interferences on the precision and accuracy of <em>in situ</em> Sr isotopic composition measurements in bio-apatite were investigated using different plasma conditions, interface configurations and instrumentation. Analysis of modern shark enameloid <em>via</em> laser ablation MC-ICPMS (LA-MC-ICPMS) <em>Neptune</em> and <em>Neoma</em> using H-type cones show similar long-term <small><sup>87</sup></small>Sr/<small><sup>86</sup></small>Sr reproducibilities of 0.709194 ± 0.000034 and 0.709189 ± 0.000027 (2SD), respectively. Neither instrument showed detectable interference from matrix-generated <small><sup>40</sup></small>Ca<small><sup>31</sup></small>P<small><sup>16</sup></small>O or Ca dimer/argide isobars. The ratios agree with solution-based MC-ICPMS and TIMS analyses, yielding an average <small><sup>87</sup></small>Sr/<small><sup>86</sup></small>Sr of 0.709176 ± 0.000008 (2SD). The use of a Jet sampler and a X-type skimmer cone with Neoma increases the sensitivity 2–3 times while maintaining the same level of accuracy. The formation of <small><sup>40</sup></small>Ca<small><sup>31</sup></small>P<small><sup>16</sup></small>O polyatomic clusters can be avoided by tuning the plasma to a low oxide level. An inherent feature of high-sensitivity cones is the production of Ca dimers/argides, which affects <small><sup>84</sup></small>Sr/<small><sup>86</sup></small>Sr, additionally suffering from <small><sup>68</sup></small>Zn<small><sup>16</sup></small>O isobars readily generated at higher oxide levels owing to the ubiquitously high Zn concentration in bio-apatite. The mass bias of <small><sup>87</sup></small>Sr/<small><sup>86</sup></small>Sr analysis follows the exponential law across all instrument configurations, which is interpreted as being due to a small average mass difference between normalised and normalising ratios. We demonstrate the benefit of high-sensitivity cones by analysing the highly compositionally zoned enamel of a woolly mammoth. Higher ion beam intensity allowed improved spatial resolution down to 40 μm diameter, revealing compositional variability obscured by larger spots. Improved counting statistics allowed for shorter integration times, resulting in <10 days of temporal resolution for >10 years of enamel formation. Increased sensitivity is of particular value for analysing organisms with low Sr uptake, such as humans, and in slowly mineralizing bioapatite tissues. Another benefit is the enhanced ability to distinguish early <em>in vivo</em> enamel formation from subsequent maturation, which is crucial for reconstructing the palaeoecology of large mammals and human life histories.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2207-2221"},"PeriodicalIF":3.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740074","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}
Zhihui Dai, Jiuyang Ding, Jiaojiao He, Chenglong Tu, Dengjun Wang, Dan Chen and Jingfu Wang
{"title":"Quantitative analysis of selenium and mercury in biological samples using LA-ICP-MS†","authors":"Zhihui Dai, Jiuyang Ding, Jiaojiao He, Chenglong Tu, Dengjun Wang, Dan Chen and Jingfu Wang","doi":"10.1039/D5JA00169B","DOIUrl":"https://doi.org/10.1039/D5JA00169B","url":null,"abstract":"<p >Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) has emerged as a powerful analytical tool to spatially resolve elemental quantification and multi-element bioimaging. This study presents a comprehensive methodology of LA-ICP-MS for the simultaneous quantification of selenium (Se) and mercury (Hg) in biological matrices, achieving micrometer-scale spatial resolution and maintaining analytical robustness. Critical challenges in Se quantification arising from potential spectral interferences were resolved through collision/reaction cell (CRC) technology optimization and strategic isotope selection (<small><sup>77</sup></small>Se and <small><sup>82</sup></small>Se), enabling interference-free detection. Notably, this study pioneered the quantitative characterization of polyatomic interferences through interference modeling. Distinct matrix-dependent signal behaviors were observed between organic-rich tissues (<em>e.g.</em>, liver) and protein-dominated matrices (<em>e.g.</em>, gelatin), underscoring the necessity for matrix-specific calibration strategies. The method demonstrated that both LA-ICP-MS and LA-ICP-MS/MS exhibited high precision (<10% relative bias) in quantifying Se and Hg. Subsequent application to controlled exposure models provided more detailed information on Se/Hg biodistribution patterns. Collectively, this analytical advancement provides a valid method for investigating detoxification dynamics and elemental redistribution mechanisms in organs, particularly when the analysis was integrated with high-resolution mapping of Se–Hg antagonism at sub-organ resolution.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2095-2106"},"PeriodicalIF":3.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740061","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}
Ao Hu, Jianan Xu, Qiang Tan, Xiangchu Li, Meiling Zhao, Yan Shu, Xinxin Liu and Yu Ding
{"title":"Spectral screening-assisted LIBS for quantitative analysis of heavy metal elements in liquid aerosols","authors":"Ao Hu, Jianan Xu, Qiang Tan, Xiangchu Li, Meiling Zhao, Yan Shu, Xinxin Liu and Yu Ding","doi":"10.1039/D5JA00118H","DOIUrl":"https://doi.org/10.1039/D5JA00118H","url":null,"abstract":"<p >Heavy metals like Cu and Zn in liquid aerosols can accumulate in the environment, posing risks to ecosystems and human health. To enhance the monitoring and prevention of heavy metal pollution, a new method was developed for quantitative analysis of heavy metals in liquid aerosols by combining LIBS with effective spectral selection. A custom chamber was designed. The hit efficiency and reproducibility of the spectra were compared with those obtained without the custom chamber. Then, the spectral data were screened using the Light Gradient Boosting Machine (LGBM) and compared with the Standard Deviation (SD) method. LGBM performed better than SD in all evaluation metrics. Finally, univariate and multivariate analysis methods were used to quantify the Cu and Zn elements in aerosols. In univariate analysis, the <em>R</em><small><sub>P</sub></small><small><sup>2</sup></small> values of the calibration curves for Cu and Zn were 0.8390 and 0.6608, respectively. In multivariate analysis, a partial least squares regression (PLSR) model was established. Then the Recursive Feature Elimination (RFE) algorithm was combined with PLSR to optimize the features and form the RFE–PLSR model. The <em>R</em><small><sub>P</sub></small><small><sup>2</sup></small>, RMSEP, MAE and MRE of the RFE–PLSR model for Cu and Zn were 0.9876 and 0.9820, 178.8264 and 215.1126, 99.9872 and 199.9349, and 0.0499 and 0.1926, respectively. The results of this study show that LIBS technology combined with LGBM algorithm screening in the custom chamber can realize the rapid detection and quantitative analysis of heavy metal elements in liquid aerosols.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2187-2196"},"PeriodicalIF":3.1,"publicationDate":"2025-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740066","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}
{"title":"A throughput model explaining non-linearity in discrete ion counters used in mass spectrometry","authors":"Stefaan Pommé and Sergei F. Boulyga","doi":"10.1039/D5JA00085H","DOIUrl":"https://doi.org/10.1039/D5JA00085H","url":null,"abstract":"<p >A mathematical model is presented to calculate the expected throughput rate in a discrete ion counter with imposed non-extending dead time. The count loss mechanism consists of a combined effect of the imposed dead time, interfered with pulse pileup owing to the finite time resolution of the electronic pulses generated in the ion counter. This model may be applicable to mass spectrometers making use of discrete ion counters, thus providing a means to reproduce counting-rate dependency of observed atomic abundance ratios.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2073-2082"},"PeriodicalIF":3.1,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ja/d5ja00085h?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740046","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}
{"title":"Capabilities and limitations of Se isotopic analysis using hydride generation coupled to MC-ICP-MS†","authors":"Lana Abou-Zeid, Martin Wiech and Frank Vanhaecke","doi":"10.1039/D5JA00196J","DOIUrl":"https://doi.org/10.1039/D5JA00196J","url":null,"abstract":"<p >This study presents a comprehensive methodological investigation aimed at optimizing selenium (Se) isotopic analysis using MC-ICP-MS. Fundamental aspects of the plasma were revisited through spatial profiling, enabling detailed characterization of the distribution of Se<small><sup>+</sup></small> and ArAr<small><sup>+</sup></small>/ArArH<small><sup>+</sup></small> species within the plasma. Increasing the sampling depth (sampling further upstream in the plasma) proved more effective than the commonly employed methane addition, offering a more effective suppression of the Ar-based species, although at the cost of some loss in the sensitivity for Se. Under these conditions, precision values (expressed as 2SD) of 0.03‰ and 0.17‰ were obtained for <em>δ</em><small><sup>82/78</sup></small>Se and of 0.08‰ and 0.38‰ for <em>δ</em><small><sup>82/76</sup></small>Se, at 100 and 25 μg L<small><sup>−1</sup></small>, respectively. Moreover, the method proved robust, with a long-term reproducibility of 0.07‰ (2SD, <em>n</em> = 120) and high accuracy, even at up to 30% sample-standard concentration mismatch. However, the method's relatively high hydride formation rate (∼7 × 10<small><sup>−3</sup></small>) limits its applicability to samples with As/Se post-isolation ratios ≤0.05, beyond which mathematical corrections lead to biased results. Finally, the method was validated using the SELM-1 reference material, for which the <em>δ</em><small><sup>82/78</sup></small>Se and <em>δ</em><small><sup>82/76</sup></small>Se values were in excellent agreement with published data, and was subsequently applied to a set of tuna fish organs (liver, spleen, kidney, and intestine). This study demonstrates that the method that was developed, optimized and validated forms a solid basis for further investigating Se metabolic pathways in marine fish and for elucidating its role in Hg detoxification.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 1964-1976"},"PeriodicalIF":3.1,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ja/d5ja00196j?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740027","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}
{"title":"Plutonium isotope ratio measurements by total evaporation-thermal ionization mass spectrometry (TE-TIMS): an evaluation of uncertainties using traceable standards from the New Brunswick Laboratory†","authors":"Kattathu Joseph Mathew","doi":"10.1039/D5JA00140D","DOIUrl":"https://doi.org/10.1039/D5JA00140D","url":null,"abstract":"<p >The accuracy and precision of isotope amount ratio measurements using thermal ionization mass spectrometry (TIMS) instrumentation are described, and the measurement of Pu materials is emphasized. The mass fractionation observed for Am, Ga, Pu, and U for isotope amount ratio measurements using the total evaporation (TE) technique is compared with theoretical estimates to demonstrate the advantage of the TE methodology and to investigate systematic biases in the major isotope amount ratios of U and Pu certified reference material (CRM) standards from the U.S. provider of CRMs. The quality of the Pu isotopic data generated by TIMS instruments in an analytical laboratory is demonstrated by the application of the double ratio technique to estimate the <small><sup>241</sup></small>Pu half-life. Analytical data on traceable Pu CRMs from the New Brunswick Laboratory (NBL), generated as part of routine measurements supporting various programs, are used for this half-life estimation. Although the <small><sup>241</sup></small>Pu abundances in CRMs of 136, 137, 138, and 126-A are approximately 200–2000× smaller than those in the <small><sup>241</sup></small>Pu material used in the previous Institute for Reference Materials and Measurements (IRMM) evaluation of the <small><sup>241</sup></small>Pu half-life, the half-life value estimated in this work shows excellent agreement with the currently accepted value from the IRMM. This agreement also demonstrates the pedigree of the Pu isotopic standards from the NBL and the quality of the isotope amount ratio measurements using TIMS instrumentation. For both the major and minor Pu isotope amount ratios, this report describes the relative importance of the factors affecting the uncertainty of TIMS measurements, which are considered the gold standard in isotope ratio measurements (LA-UR-24-29199).</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 1879-1901"},"PeriodicalIF":3.1,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ja/d5ja00140d?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740020","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}
D. Käser, T. Van Acker, J. Koch, B. Hattendorf and D. Günther
{"title":"Evaluation of laser-induced and ICP-induced elemental fractionation using laser ablation-ICP-TOFMS†","authors":"D. Käser, T. Van Acker, J. Koch, B. Hattendorf and D. Günther","doi":"10.1039/D5JA00173K","DOIUrl":"https://doi.org/10.1039/D5JA00173K","url":null,"abstract":"<p >The composition of laser-generated aerosols produced during single spot ablation was analyzed <em>via</em> inductively coupled plasma time-of-flight mass spectrometry (LA-ICP-TOFMS) and compared with that of the same material deposited on the sample surface. Differences between the signals recorded from single spot ablation and the subsequent deposit analysis enabled studying and exploring non-stoichiometric processes at the ablation site. These measurements allowed for the determination of the transport efficiencies of the elements present in NIST SRM 610, which were element-specific and always higher than 85%. A mass balance of <small><sup>238</sup></small>U<small><sup>+</sup></small>/<small><sup>232</sup></small>Th<small><sup>+</sup></small> signal intensity ratios allowed the differentiation of laser-induced and ICP-induced elemental fractionation using only LA-ICP-TOFMS data, without the need for the off-line analysis of the collected material. All phenomena reported herein were studied using a range of parameters for single spot ablation including different laser fluences (7.4–25 J cm<small><sup>−2</sup></small>) and number of pulses per spot (100–600 pulses). The method presented here provides direct access to important parameters that influence the accuracy of quantitative analysis using LA-ICPMS, such as the amount and composition of the deposited material around the crater and information about the aforementioned transport efficiencies of individual elements. In addition, the proposed analysis and calculation procedure allowed to distinguish between laser- and ICP-induced elemental fractionations for different LA and ICPMS operating conditions. Knowledge about these parameters will help understand the ablation behavior of different matrices and may therefore improve non-matrix matched quantification using LA-ICPMS.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 9","pages":" 2408-2417"},"PeriodicalIF":3.1,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ja/d5ja00173k?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144909572","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}
Manon Dalla Costa, David Dumoulin, Marie Lenski, Anne Garat and Gabriel Billon
{"title":"Development of a HPIC-ICP-MS method for the quantification and speciation of gadolinium-based contrast media in surface waters†","authors":"Manon Dalla Costa, David Dumoulin, Marie Lenski, Anne Garat and Gabriel Billon","doi":"10.1039/D5JA00203F","DOIUrl":"https://doi.org/10.1039/D5JA00203F","url":null,"abstract":"<p >Over the last few decades, numerous speciation methods involving hyphenated ICP-MS strategies have been developed to study gadolinium-based contrast agents (GBCAs), whose concentrations are steadily increasing in surface water in France, Europe and around the world. Most of these methods involve the extensive use of organic solvents and often require the use of an additional aerosol desolvation module. Here, a new sensitive chromatographic method has been developed to study the speciation of the six GBCAs currently marketed in France (<em>i.e.</em> Gd-DOTA, Gd-BT-DO3A, Gd-HP-DO3A, Gd-DTPA-BMA, Gd-DTPA and Gd-BOPTA). This HPIC-ICP-MS method, involving the use of an anion-exchange column, allows the separation of the charged GBCAs in less than 15 min, while using only 2% of methanol in the eluent and a standard ICP-Q-MS configuration. The detection limits obtained, ranging from 2 to 5 ng<small><sub>Gd</sub></small> L<small><sup>−1</sup></small>, are comparable to reference methods in the literature and are therefore well suited to environmental studies. An environmental application has been successfully carried out on water samples from the Marque River (Northern France), which is affected by the presence of numerous WWTPs. This application highlights the fact that GBCAs account for over 90% of Gd pollution in river water.</p>","PeriodicalId":81,"journal":{"name":"Journal of Analytical Atomic Spectrometry","volume":" 8","pages":" 2150-2161"},"PeriodicalIF":3.1,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.rsc.org/en/content/articlepdf/2025/ja/d5ja00203f?page=search","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144740065","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}