Quantification of metals in river water using a portable EDXRFsystem

Melquíades, Fábio Luiz; Parreira, Paulo Sérgio; Appoloni, Carlos Roberto; Silva, W.D.; Lopes, Fábio

doi:10.1016/j.apradiso.2010.09.021

Cited by 20 publications

(10 citation statements)

References 20 publications

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“…Site diagnosis, contamination detection and mapping pXRF was immediately successful for the analysis of fine-grained homogenous media (soil, sediment) and for the elemental characterisation of coarser media (metal scrap, residual waste). It was also tested on water (Melquiades and Appoloni, 2004;Melquiades et al, 2011) but its detection limits restrict direct application to highly contaminated water.…”

Section: Pxrf In Environmental Projectsmentioning

confidence: 99%

A review of pXRF (field portable X-ray fluorescence) applications for applied geochemistry

Lemière

2018

Journal of Geochemical Exploration

161

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In the last thirty years, portable X-ray fluorescence (pXRF) has grown from prototypes to being a key technique for field geochemical analyses, especially for mining and environmental applications. This technology provides real-time or near real-time decision support for operational field decisions (exploration, mining, site remediation or waste management), provides a cost-saving alternative to classical laboratory analysis programs, and deals efficiently with remote or harsh field conditions. The ability to rapidly collect a large number of samples and replicate analyses facilitates acquisition of higher data density compatible with geostatistics.pXRF can be used profitably for sample screening and selection tasks, dynamic sampling plans based on field observations and measurements, grid mapping of a site and determining relative element abundance. In waste management and remediation, pXRF is used to identify unknown waste composition, and verify waste loads before disposal or treatment.In all applications, having robust QA/QC plans and systematic laboratory controls on selected samples are essential for ensuring reliable measurements. The best overall results are usually achieved through a clever combination of field (pXRF) and lab data, with pXRF providing the bulk of the data at low cost, on larger data sets and potentially with better reliability than lab-based campaigns based on a limited number of samples.

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Section: Pxrf In Environmental Projectsmentioning

confidence: 99%

A review of pXRF (field portable X-ray fluorescence) applications for applied geochemistry

Lemière

2018

Journal of Geochemical Exploration

161

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“…For example, reports on the use of these instruments for determinations of boron in wastewater (Endo et al, 2013), chromate in drinking water , phosphate in river waters (Li et al, 2014) and BTEX in gasoline-contaminated water (de Lima, 2012) have recently been published. Several metals (Ca, Ti, Mn, Fe, Ni, Cu, Zn, Pb) were determined in river water with a portable XRF spectrometer after on-site preconcentration of analytes (Melquiades et al, 2011).…”

Section: General Characterization and Application Of Field Portable Imentioning

confidence: 99%

Moving your laboratories to the field – Advantages and limitations of the use of field portable instruments in environmental sample analysis

Gałuszka

Migaszewski

Namieśnik

2015

Environmental Research

156

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“…Results were also presented for the influence of moisture content compared with oven dried samples. Other environmental applications of portable XRF available in the current review year include the work of Chou et al, 329 whose interest was in the toxic element content of oyster shells to provide a rapid, quantitative, non-destructive and cost effective method of assessing oyster shell contamination from Pb, and Melquiades et al, 330 who used portable XRF to determine various metals in water, claiming that four hours of field work was adequate for preparing, measuring and analysing 14 membranes.…”

Section: Consequences Of Industrial Activitymentioning

confidence: 99%