Digestions vs. suspensions: The influence of sample preparation on precision and accuracy in total-reflection X-ray fluorescence analysis by the example of waste incineration fly ash

Haberl, Jasmin; Fromm, Stephan; Schuster, Michael

doi:10.1016/j.sab.2019.02.004

Cited by 7 publications

(2 citation statements)

References 23 publications

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“…However, the quality of results is strongly dependent on individual characteristics of the material such as particle size, size distribution and drying procedures. Haberl et al 46 studied the influence of different digestion and suspension sample preparation procedures on the precision and accuracy of the TXRF spectrometry analysis of fly ash and so were able to provide sound recommendations on how to minimise the sample preparation procedure. Recoveries of elements present predominantly in the large particle fraction ( ca.…”

Section: Grazing X-ray Techniques Including Txrf Spectrometrymentioning

confidence: 99%

2020 atomic spectrometry update – a review of advances in X-ray fluorescence spectrometry and its special applications

Vanhoof

Bacon

Fittschen

et al. 2020

J. Anal. At. Spectrom.

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Section: Grazing X-ray Techniques Including Txrf Spectrometrymentioning

confidence: 99%

2020 atomic spectrometry update – a review of advances in X-ray fluorescence spectrometry and its special applications

Vanhoof

Bacon

Fittschen

et al. 2020

J. Anal. At. Spectrom.

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“…The HF protocol was developed by a project partner [29]. 300 mg fly ash was weight into the microwave vessel and mixed with 8 mL HNO 3 , 1 mL HCl and 1.5 mL HF.…”

Section: Hydro Fluoric Acid (Hf) Digestion (Total Content)mentioning

confidence: 99%

Municipal waste incineration fly ashes: from a multi-element approach to market potential evaluation

et al. 2020

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Background: Fly ashes from municipal solid waste incineration contain significant amounts of (technology critical) elements. Processes to recover Cu or Zn are already in practice, but it still remains difficult to evaluate the full secondary resource potential of the ashes. One reason is the absence of a worldwide comparable analytical basis for detailed market analyses. To encounter this, (i) an advice on how to analyse 65 elements after microwave-assisted digestion by ICP-OES and ICP-MS is delivered, (ii) the heterogeneity (hours to annual cycle) is evaluated for a incineration plant, (iii) leaching efficiency with three different eluents and (iv) the market potential of the elements as commodities are evaluated. Results and conclusions: Aqua regia digestion was found to be sufficient to evaluated the recovery potential; except for the mass constituents Al, Si, Sn, Ti and the trace components Cr, Hf, Nb, U and W, for which HF-containing digestions delivered better recoveries. On different time scales, ashes were very homogenous and HCl-as well as H 2 SO 4-supported leaching delivered, satisfying results within an hour (exceptions are, e.g., Bi and Sb). By applying characterisation factors of the life cycle assessment impact category "Resource depletion-minerals and metals" supplemented by the list of critical raw materials of the EU: Ag, Bi, Cd, Ga, In and Sb are most interesting elements to be recovered in future activities.

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Study of the chemical composition of coal and coal ash by X‐ray fluorescence method: A review

Revenko,

Pashkova

2024

X-Ray Spectrometry

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Information about the elemental compositions of coal and coal ash is very important to solve some issues related to both technological processes and the control of environmental pollution. It is known that the coal and coal ash samples often contain significant amounts of valuable as well as toxic components (e.g., V, Cr, Со, Ni, Cu, Zn, As, Sr, Ba, Pb, Ga, and Ge) that can be successfully determined by X‐ray fluorescence (XRF) spectrometry. This review briefly discusses the development of XRF equipment, elements of interest determined by XRF, and common sample preparation procedures. The calculation of relative intensities of analytical lines of some elements and scattered radiation is presented to demonstrate possible matrix effects in XRF analysis. Possibilities and drawbacks of total reflection XRF (TXRF) are described in detail as the coal and ash analysis is a relatively new area of application of TXRF method. The review also presents examples of the application of the XRF method for analysis of waste from coal preparation plants and thermal power plants to assess their prospects and to choose a method for extracting individual elements. Among the reviewed publications, several works are devoted to the study of the element distributions, especially rare earth elements, in coals, coal ash, and coal waste.

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Digestions vs. suspensions: The influence of sample preparation on precision and accuracy in total-reflection X-ray fluorescence analysis by the example of waste incineration fly ash

Cited by 7 publications

References 23 publications

2020 atomic spectrometry update – a review of advances in X-ray fluorescence spectrometry and its special applications

2020 atomic spectrometry update – a review of advances in X-ray fluorescence spectrometry and its special applications

Municipal waste incineration fly ashes: from a multi-element approach to market potential evaluation

Study of the chemical composition of coal and coal ash by X‐ray fluorescence method: A review

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