Atomic spectrometry update – a review of advances in environmental analysis
TLDR
The 30th annual review of the application of atomic spectrometry to the chemical analysis of environmental samples was published in 2014 as discussed by the authors, which refers to papers published approximately between August 2013 and July 2014 and continues the series of Atomic Spectrometry Updates (ASUs) in environmental analysis.Abstract:
This is the 30th annual review of the application of atomic spectrometry to the chemical analysis of environmental samples. This Update refers to papers published approximately between August 2013 and July 2014 and continues the series of Atomic Spectrometry Updates (ASUs) in environmental analysis that should be read in conjunction with other related ASUs in the series, namely: clinical and biological materials, foods and beverages, advances in atomic spectrometry and related techniques, elemental speciation,X-ray fluorescence spectrometry, and the analysis of metals, chemicals and functional materials. In the field of air analysis, highlights within this review period included: the use of 3D printing technology for the rapid prototyping of new air sampler components; single particle ICP-MS studies; use of a new triple-quadrupole ICP-MS for the analysis of radioactive species and the use of FEG-SEM and IBA for the analysis of gun-shot residues. In the field of water analysis, methods continue to be developed: for the extraction and preconcentration of elements; speciation of As, Cr, Hg and Sb forms and determination of elemental constituents in colloidal and NP fractions. Instrumental developments reported include the use of MC-ICP-MS for isotopic tracer studies and a review of XRF techniques and associated preconcentration procedures for trace element analysis. Many articles featuring the analysis of plants and soils appeared but, as usual, most focused on environmental applications rather than the advancement of atomic spectrometry. There have, however, been interesting developments, such as the almost bewildering increase in types of micro-extraction for analyte preconcentration and the resurgence of CS-AAS. Clearly LIBS is maturing rapidly, with soil analysis becoming more routine in nature. Also notable was the way the accident at the Fukishima-Daiichi nuclear power plant triggered development of analytical methods for the assessment of contamination in the surrounding area. Recent research indicates that geological applications still drives many of the instrumental and methodological advances in LA-ICP-MS. Fundamental studies continue to shed light on the processes involved and hence ways of improving the analysis of laser-produced aerosols. The preparation of NP powders for the production of matrix-matched RMs for microanalytical techniques such as LA-ICP-MS and SIMS showed great promise for addressing one of the major issues when analysing geological materials by these techniques. Steady advances in MC-ICP-MS methodology is feeding through to applications in isotope geochemistry, while new SIMS instrumentation is being directed towards probing fine growth structures in biogenic carbonates and inferring past climate conditions from their geochemistry. Feedback on this review is most welcome and the review coordinator can be contacted using the email address provided.read more
Citations
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Green approach for ultratrace determination of divalent metal ions and arsenic species using total-reflection X-ray fluorescence spectrometry and mercapto-modified graphene oxide nanosheets as a novel adsorbent.
TL;DR: GO-SH can be applied to the arsenic speciation due to its selectivity toward arsenite and is suitable for the analysis of water, including high salinity samples difficult to analyze using other spectroscopy techniques.
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Highly sensitive strategy for Hg2+ detection in environmental water samples using long lifetime fluorescence quantum dots and gold nanoparticles.
TL;DR: A time-gated fluorescence resonance energy transfer (TGFRET) sensing strategy employing water-soluble long lifetime fluorescence quantum dots and gold nanoparticles to detect trace Hg(2+) ions in aqueous solution shows good agreement with the found values determined by an atomic fluorescence spectrometer.
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Green synthesis of highly fluorescent nitrogen - Doped carbon dots from Lantana camara berries for effective detection of lead(II) and bioimaging
TL;DR: With their low cytotoxicity, strong fluorescence and excitation-dependent emission, NCDs were successfully applied as multi-colour bioimaging agents and Pb2+ detection capabilities were further evaluated in live cells.
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Portable X-ray fluorescence for environmental assessment of soils: Not just a point and shoot method.
TL;DR: It is demonstrated that with careful consideration of these factors and a systematic approach to analysis, PXRF can provide highly accurate results.
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Atomic spectrometry update: review of advances in the analysis of clinical and biological materials, foods and beverages
TL;DR: In this paper, a review of the literature related to clinical and biological materials, foods and beverages, and nanomaterials is presented, focusing on exposure and absorption of nanoparticles; potential toxicity, use as reagents in analytical methods and analysis or characterisation of these materials.
References
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Phosphorus flame retardants: Properties, production, environmental occurrence, toxicity and analysis
Ike van der Veen,Jacob de Boer +1 more
TL;DR: In this paper, the use of PFRs as potential substitutes for brominated flame retardants (BFRs) has been discussed and a number of potential alternatives for BFRs have been proposed.
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Chemistry of atmospheric brown carbon.
TL;DR: Understanding of the climate-related properties of atmospheric OC is still incomplete and the specific ways in which OC impacts atmospheric environment and climate forcing are just beginning to be understood.
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Laser-induced breakdown spectroscopy.
TL;DR: Compared to the conventional flame emission spectroscopy, LIBS atomizes only the small portion of the sample by the focused laser pulse, which makes a tiny spark on the sample, and capturing the instant light is a major skill to collect sufficient intensity of the emitting species.
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Improved in situ Hf isotope ratio analysis of zircon using newly designed X skimmer cone and jet sample cone in combination with the addition of nitrogen by laser ablation multiple collector ICP-MS
Zhaochu Hu,Yongsheng Liu,Shan Gao,Wengui Liu,Wen Zhang,Xirun Tong,Lin Lin,Keqing Zong,Ming Li,Haihong Chen,Lian Zhou,Lu Yang +11 more
TL;DR: In this article, the effect of three different cone combinations on the performance of laser ablation MC-ICP-MS (Neptune plus) for the in situ Hf isotope analysis of zircon were investigated.
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The "dual-spot" Aethalometer: an improved measurement of aerosol black carbon with real-time loading compensation
Luka Drinovec,Griša Močnik,Peter Zotter,Peter Zotter,André S. H. Prévôt,C. Ruckstuhl,Esther Coz,Maheswar Rupakheti,Jean Sciare,Thomas Müller,A. Wiedensohler,Anthony D. A. Hansen +11 more
TL;DR: In this article, a real-time loading effect compensation algorithm based on a two parallel spot measurement of optical absorption is proposed for the Aethalometer model AE33, which provides the high-quality data necessary for realtime source apportionment and for determination of the temporal variation of the compensation parameter k.