Antimony speciation analysis in sediment reference materials using high-performance liquid chromatography coupled to hydride generation atomic fluorescence spectrometry

Potin‐Gautier, Martine; Pannier, Florence; Quiroz, Waldo; Pinochet, Hugo; Gregori, Ida De

doi:10.1016/j.aca.2005.07.055

Cited by 55 publications

(32 citation statements)

References 29 publications

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“…[60,76] Addition of a post-column photooxidation step may help to solve the problem. [77] Many of the insights of Hansen and Pergantis [7] on conservation of biological samples also apply to other solid matrices such as soils.…”

Section: Soilsmentioning

confidence: 99%

Antimony in the environment: knowns and unknowns

2009

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Environmental context. Antimony first attracted public attention in the mid-1990s amid claims that it was involved in Sudden Infant Death Syndrome. A substantial number of papers have now been published on the element and its behaviour in the natural environment. However, many key aspects of the environmental chemistry of antimony remain poorly understood. These include critical areas such as its ecotoxicology, its global cycling through different environmental compartments, and what chemical form it takes in different environments. More focussed research would help the situation. The present review highlights several areas of environmental antimony chemistry that urgently need to be addressed.Abstract. The objective of the present article is to present a critical overview of issues related to the current state of knowledge on the behaviour of antimony in the environment. It makes no attempt to systematically review all published data. However, it does provide a list of the main published reviews on antimony and identifies subjects where systematic reviews are needed. Areas where our knowledge is strong -and the corresponding gaps -in subjects ranging from total concentrations and speciation in the various environmental compartments, to ecotoxicity, to cycling between compartments, are discussed, along with the underlying research. Determining total antimony no longer poses a problem for most environmental samples but speciation measurements remain challenging throughout the process, from sampling to analysis. This means that the analytical tools still need to be improved but experience shows that, to be useful in practice, this should be directly driven by the requirements of laboratory and field measurements. Many different issues can be identified where further research is required, both in the laboratory and in the field, the most urgently needed studies probably being: (i) long-term spatial and temporal studies in the different environmental compartments in order to collect the data needed to establish a global biogeochemical cycle; (ii) laboratory studies of antimony interactions with potential natural binders; (iii) reliable ecotoxicological studies. Montserrat Filella is a chemist and teaches Environmental Chemistry at the University of Geneva, Switzerland. Her main research interests focus on the understanding of the physicochemical processes regulating the behaviour of chemical components in environmental and biological compartments, mainly by combining computer modelling with field and laboratory measurements. The three main axes of her research concern the study of: colloids in natural waters, natural organic matter (quantification and interaction with trace elements) and Group 15 elements. She is also interested in other topics

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Section: Soilsmentioning

confidence: 99%

Antimony in the environment: knowns and unknowns

2009

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“…Antimony (Sb) is of great health concern for human and animal food chains and is an excellent example of this linkage system. The use of HPLC-HG-AFS instrumentation to determine Sb has been re fi ned for work with both solids (marine sediments, Potin-Gautier et al 2005 ) and liquids (sea water, Gregori et al 2005 ) . The process uses the liquid column to create separation of the Sb from other constituents and among Sb species/compounds.…”

Section: Linking Together Of Instrumentation For Greater Speci Fi Citymentioning

confidence: 99%

Leaf Analysis in Citrus: Developments in Analytical Techniques

Hanlon

Morgan

Obreza

et al. 2012

Advances in Citrus Nutrition

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The complexity and sophistication of instruments for plant tissue analysis continues to advance, both in research laboratory grade instruments as well as for fi eld use. These advances are seen in direct measurement of nutrients and trace elements, as well as indirect measurement, especially as statistical approaches improve through modeling of relationships between direct and indirect methods. This chapter has given an overview of recent advances, often using review articles followed by selected applications to citrus leaf analysis, but also offering other venues for using these analytical tools to aid both research and precision citrus management.

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“…First, we assessed the extraction of Sb species from the soils by different methods from the literature [45][46][47], using a sediment CRM (PACS-3: 14.7 ± 2.2 mg kg −1 Sb, Figure 1a). The total Sb recovery from the CRM with 200 mM AT as an extractant was 21.4 ± 1.8% (n = 3), while, when using a mixture of 200 mM OA and 100 mM AA, it was 45.2 ± 4.6% (n = 4).…”

Section: Tmsb Extraction Methods Validationmentioning

confidence: 99%

“…The procedures are described in part 3.1, if different from the procedure of Potin-Gautier et al [45]. Samples consisting of 100 mg of soil were precisely weighed and filled into a 20 mL borosilicate glass vial (Wheaton, Millville, NJ, USA), then 10 mL of 200 mM oxalic acid (OA) mixed with 100 mM ascorbic acid (AA) was added.…”

Section: Soil Extractions For Methylated Sb Speciesmentioning

confidence: 99%

Release and Biomethylation of Antimony in Shooting Range Soils upon Flooding

2018

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Antimony (Sb) is an understudied pollutant with potentially toxic effects at particularly low concentrations. The fate of Sb in the environment is complicated because of its many chemical forms at varying oxidation states. Here, we validated an extraction method and an analytical technique to quantify inorganic and methylated Sb in bulk soil and soil solution. We identified and quantified trimethylantimony (TMSb) in shooting range soils for the first time, up to a concentration of 1.35 mg kg −1 . Then, we evaluated the release of Sb species from soil to soil solution as well as the influence of manure addition upon flooding in an incubation experiment with fresh soils from shooting ranges. This incubation experiment showed an immediate and exhaustive Sb release into the soil solution (within 6 h), reaching over 3000 µg L −1 for one site, followed by a sharp decline and again a slow increase at the end of the incubation in Sb concentrations in the soil solution for two of the three sites. TMSb was also formed in the soil solution after 4 to 10 days. High dissolved organic carbon (DOC) concentrations and the dissolution of Fe-and Mn-(oxy-)hydroxides were the main drivers of Sb release, while the addition of organic matter (OM) drove TMSb formation.

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Antimony speciation analysis in sediment reference materials using high-performance liquid chromatography coupled to hydride generation atomic fluorescence spectrometry

Cited by 55 publications

References 29 publications

Antimony in the environment: knowns and unknowns

Antimony in the environment: knowns and unknowns

Leaf Analysis in Citrus: Developments in Analytical Techniques

Release and Biomethylation of Antimony in Shooting Range Soils upon Flooding

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