Results 21 to 30 of about 7,349 (250)

New Insight on Archaeological Metal Finds, Nails and Lead Sheathings of the Punic Ship from Battle of the Egadi Islands

open access: yesMolecules, 2023
The wreck of the Punic ship exhibited at the Archaeological Park of Lilybaeum (Marsala, Italy) is a unique example in the world. In this paper, the investigation of some metal finds (30 nails and 3 fragments of sheathings) belonging to the wreck of the ...
Francesco Armetta   +3 more
doaj   +1 more source

ONLINE X-RAY FLUORESCENCE SCREENING OF ORE FOR SILVER AT THE MINES OPERATED BY KAZAKHMYS CORPORATION LLC [PDF]

open access: yesSustainable Extraction and Processing of Raw Materials Journal, 2021
. This paper discusses the process and methodological aspects of X–ray fluorescence online monitoring of ore silver grade at the underground mines and open pits operated by Kazakhmys Corporation LLC. The analysis was complicated by the requirement to: a)
Zaure Abdrakhmanova   +4 more
doaj   +1 more source

X-Ray Fluorescence for Laminated Silty Shale Reservoirs in Ordos Basin, China: Implications for Lithology Identification

open access: yesGeofluids, 2022
Shale lithofacies were an important key for the exploration and development of unconventional oil and gas reservoirs. Previous studies usually use logging data, X-ray diffraction analysis (XRD), and scanning electron microscopy (SEM) to identify shale ...
Wei Cheng   +6 more
doaj   +1 more source

Mapping Heavy Metal Concentrations in Beach Sands Using GIS and Portable XRF Data

open access: yesJournal of Marine Science and Engineering, 2019
It is necessary to investigate the contamination of beach sands to ensure water safety, as they may contain potentially toxic trace elements. Tourists, oil spills, or replenishing sands can cause beach sand contamination.
Sung-Min Kim, Yosoon Choi
doaj   +1 more source

XRF techniques to quantify heavy metals in vegetables at low detection limits

open access: yesFood Chemistry: X, 2019
Sample preparation techniques, measurement routines and custom calibrations were developed and optimized for the quantification of Pb and additional heavy metals in dried and wet consumable vegetable tissues via WD-XRF and/or portable ED-XRF spectroscopy.
Harris L. Byers   +2 more
doaj   +1 more source

Identifying anthropogenic features at Seoke (Botswana) using pXRF: Expanding the record of southern African Stone Walled Sites.

open access: yesPLoS ONE, 2021
Numerous and extensive 'Stone Walled Sites' have been identified in southern African Iron Age landscapes. Appearing from around 1200 CE, and showing considerable variability in size and form, these settlements are named after the dry-stone wall ...
Stefano Biagetti   +8 more
doaj   +1 more source

EDXRF tra analisi e imaging

open access: yesArcheomatica, 2023
The essay resume the most recent history of EDXRF, a nondestructive X-Ray fluorescence microanalysis of pigments of paintings used by the help of elemental colour Map and Portable Instrumentation Package: the innovative Implementations employed in the ...
Giovanni Ettore Gigante   +1 more
doaj   +2 more sources

Multi-Approach Study Applied to Restoration Monitoring of a 16th Century Wooden Paste Sculpture

open access: yesCrystals, 2020
A multi-approach study has been designed to evaluate the mannerist-style masterpiece of the Christ of the Expiration (Museum Brotherhood, Seville, Spain), a polychrome wooden paste sculpture of the 16th Century that was restored in the Andalusian ...
Auxiliadora Gómez-Morón   +6 more
doaj   +1 more source

Evaluating the Application of Portable Handheld X-ray Fluorescence (XRF) Scanner for Determining Seafood Provenance: A Case Study on Penaeus monodon

open access: yesFoods, 2023
Seafood elemental profiling (SEP) is the quantification of a range of elements in seafood products and may serve in addressing questions of seafood provenance and quality.
Nondita Malo   +6 more
doaj   +1 more source

Portable EDXRF and Principal Component Analysis for inorganic element determination and provenance of eye shadows

open access: yesSemina: Ciências Exatas e Tecnológicas, 2019
Nowadays cosmetic products play an important role in the life of almost all people. Men and women devote much time, resources and efforts to cultivate personal hygiene and the best possible look along their lives.
Rafael Molari   +5 more
doaj   +1 more source

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