Atomic spectrometry update. Elemental speciation

Clough, Robert; Drennan-Harris, Lindsay R.; Harrington, Chris F.; Hill, Steve J.; Tyson, Julian F.

doi:10.1039/c2ja90037h

Cited by 28 publications

(17 citation statements)

References 219 publications

(249 reference statements)

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“…The scope of the Updates has changed over the years reflecting developments in analytical atomic spectrometry instrumentation and application. In 2009, an ASU devoted to elemental speciation was created [103], the fourth of which has just appeared [104]. The three elements that feature most prominently in the section on individual elements are arsenic, mercury and selenium.…”

Section: Possible Sources Of Problems With the Methodologymentioning

confidence: 99%

The Determination of Arsenic Compounds: A Critical Review

Tyson

2013

ISRN Analytical Chemistry

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A large number of publications describe the determination of arsenic in “environmental” samples in the broadest sense, a substantial subset of which focus on plant-based foodstuffs. There is a considerable interest in the inorganic arsenic content of food, especially rice, as there is recent evidence that concentrations may be high enough to exceed acceptable risk thresholds. The methodology for the determination of arsenic in rice is critically evaluated and results (a) for a rice flour reference material (National Institute of Standards SRM 1568a, certified only for total arsenic) and (b) a recent proficiency test (run by the European Commission's Joint Research Centre Institute for Reference Materials and Measurement) are examined. Difficulties with this particular analysis may lie in the sample preparation stages, over which there is still disagreement with regard to species stability, though a simple, hot-water extraction may be sufficient. High performance liquid chromatography separations with plasma-source mass spectrometry detection are popular; however, chromatographic separations are often not adequately described, the enhancement effect of carbon-containing species is often overlooked, and the fate of chlorine-containing species, responsible for an isobaric overlap interference, often obscure. Compound-dependent responses, for which there is a plenty of evidence, are almost never acknowledged or discussed.

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Section: Possible Sources Of Problems With the Methodologymentioning

confidence: 99%

The Determination of Arsenic Compounds: A Critical Review

Tyson

2013

ISRN Analytical Chemistry

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“…Since the Update on elemental speciation 4 does not specifically deal with operationally defined speciation, such protocols for water analysis are included here. ; SeCNwas also identified for the first time in such samples.…”

Section: Speciationmentioning

confidence: 99%

Atomic spectrometry update. Environmental analysis

Butler

Cairns

Cook

et al. 2013

J. Anal. At. Spectrom.

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“…As such, this definition was subsequently elaborated conspicuously as the specific form of an element defined as to electronic or oxidation state, complex or molecular structure and isotopic composition (Templeton et al, 2000). In addition, International Union of Pure and Applied Chemistry (IUPAC) has recently evaluated and provided a definition of speciation as an analytical activity of identifying and/or measuring the quantities of one or more individual chemical species in a sample; the chemical species are specific forms of an element defined as to isotopic composition, electronic or oxidation state, and/or complex or molecular structure; the speciation of an element is the distribution of an element amongst defined chemical species in a system (Clough et al, 2012). With this elaboration, chemical speciation has now clearly demarcated itself from chemical fractionations, which were previously interchangeable and confusing.…”

Section: Definition Of Chemical Speciationmentioning

confidence: 99%

Chemical Speciation: A Strategic Pathway for Insightful Risk Assessment and Decision Making for Remediation of Toxic Metal Contamination

Adamu¹,

Leke²,

Lawan³

et al. 2013

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Industrial and anthropogenic activities have resulted in high levels of metallic contaminants in the environment, thus creating imbalance in the biotic and abiotic regimes of the ecosystem. This has remained as a stabbing problem in the mind of environmental and agricultural scientists, since metallic contaminants unlike biodegradable contaminants are persistent in affecting the biophysical population of our environment. This problem requires an insightful assessment before the best remediation option can be selected appropriately. In this paper, we present an overview of chemical speciation and its adaptations in environmental cleanup for achieving result oriented remediation technique.

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Atomic spectrometry update. Elemental speciation

Cited by 28 publications

References 219 publications

The Determination of Arsenic Compounds: A Critical Review

The Determination of Arsenic Compounds: A Critical Review

Atomic spectrometry update. Environmental analysis

Chemical Speciation: A Strategic Pathway for Insightful Risk Assessment and Decision Making for Remediation of Toxic Metal Contamination

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