Speciation of CdTe quantum dots and Te(IV) following oxidative degradation induced by iodide and headspace single-drop microextraction combined with graphite furnace atomic absorption spectrometry

García-Figueroa, Adrián; Lavilla, Isela; Bendicho, Carlos

doi:10.1016/j.sab.2019.06.001

Cited by 17 publications

(7 citation statements)

References 37 publications

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“…−4 °C (mp = −51 °C). , H 2 Te can also be formed via the reductive addition of hydride from [BH 4 ] − to the Te(IV) center in the [TeO 3 ] 2– ion (Scheme ). Despite the possibility for Te(IV) hydrides in this process, no examples of such species have been isolated thus far; computations show that the gas phase decomposition of TeH 4 into TeH 2 and H 2 is accompanied by a Gibbs free energy change of −60 kcal mol –1 . As an interesting side note, the currently unknown hydride SeH 3 is predicted to be superconducting above 120 K at a high pressure of 100 GPa, thus providing impetus for its isolation …”

Section: Molecular Hydrides Of the Group 16 Metals (Selenium And Tell...mentioning

confidence: 99%

Molecular Main Group Metal Hydrides

et al. 2021

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This review serves to document advances in the synthesis, versatile bonding, and reactivity of molecular main group metal hydrides within Groups 1, 2, and 12−16. Particular attention will be given to the emerging use of said hydrides in the rapidly expanding field of Main Group element-mediated catalysis. While this review is comprehensive in nature, focus will be given to research appearing in the open literature since 2001.

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Section: Molecular Hydrides Of the Group 16 Metals (Selenium And Tell...mentioning

confidence: 99%

Molecular Main Group Metal Hydrides

et al. 2021

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“…Another technique used in tellurium speciation is dispersive liquid-liquid microextraction combined with electrothermal atomic absorption spectrometry (DLLME) [56]. This speciation is based on the selective complex formation of APDC (ammonium pyrrolidine dithiocarbamate) as a chelating agent with Te(VI).…”

Section: Speciation Of Telluriummentioning

confidence: 99%

Speciation and Fractionation of Less-Studied Technology-Critical Elements (Nb, Ta, Ga, In, Ge, Tl, Te): A Review

Jabłońska‐Czapla¹,

Grygoyć²

2021

Pol. J. Environ. Stud.

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“…An interesting modification on the target analytes for Te speciation analysis was presented by García-Figueroa and collaborators, who achieved the quantification of Te(IV) and of CdTe NPs in superficial, lake, and ground water [55]. This method was based on the headspace single drop microextraction of TeH 2 , which was generated by reaction of Te(IV) with NaBH 4 on an acidic aqueous solution of Au(III).…”

Section: Telluriummentioning

confidence: 99%

Elemental Speciation Analysis in Environmental Studies: Latest Trends and Ecological Impact

Llaver

Fiorentini

Oviedo

et al. 2021

IJERPH

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Speciation analysis is a key aspect of modern analytical chemistry, as the toxicity, environmental mobility, and bioavailability of elemental analytes are known to depend strongly on an element’s chemical species. Henceforth, great efforts have been made in recent years to develop methods that allow not only the determination of elements as a whole, but also each of its separate species. Environmental analytical chemistry has not ignored this trend, and this review aims to summarize the latest methods and techniques developed with this purpose. From the perspective of each relevant element and highlighting the importance of their speciation analysis, different sample treatment methods are introduced and described, with the spotlight on the use of modern nanomaterials and novel solvents in solid phase and liquid-liquid microextractions. In addition, an in-depth discussion of instrumental techniques aimed both at the separation and quantification of metal and metalloid species is presented, ranging from chromatographic separations to electro-chemical speciation analysis. Special emphasis is made throughout this work on the greenness of these developments, considering their alignment with the precepts of the Green Chemistry concept and critically reviewing their environmental impact.

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Speciation of CdTe quantum dots and Te(IV) following oxidative degradation induced by iodide and headspace single-drop microextraction combined with graphite furnace atomic absorption spectrometry

Cited by 17 publications

References 37 publications

Molecular Main Group Metal Hydrides

Molecular Main Group Metal Hydrides

Speciation and Fractionation of Less-Studied Technology-Critical Elements (Nb, Ta, Ga, In, Ge, Tl, Te): A Review

Elemental Speciation Analysis in Environmental Studies: Latest Trends and Ecological Impact

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