Results 11 to 20 of about 5,024 (208)

Pigment analysis by Raman microscopy and portable X-ray fluorescence (pXRF) of thirteenth to fourteenth century illuminations and cuttings from Bologna [PDF]

open access: yes, 2016
Non-destructive pigment analysis by Raman microscopy (RM) and portable X-ray fluorescence (pXRF) has been carried out on some Bolognese illuminations and cuttings chosen to represent the beginnings, evolution and height of Bolognese illuminated ...
Chaplin, Tracey D.   +3 more
core   +1 more source

Geo-material provenance and technological properties investigation in Copper Age menhirs production at Allai (central-western Sardinia, Italy) [PDF]

open access: yes, 2017
During the 2nd millennium BC anthropomorphic menhirs belonging to a 3rd millennium BC sanctuary were reused as building material in the Arasseda Nuraghe (Sardinia, Italy).
Cannas, Carla   +2 more
core   +1 more source

Quick Analysis of Organic Amendments via Portable X-ray Fluorescence Spectrometry [PDF]

open access: yes, 2019
The determination of heavy metals in soils and organic amendments, such as compost, manure, biofertilizer, and sludge, generally involves the digestion of samples with aqua regia, and the determination of those in the solution using various techniques ...
Ajmal Poley, Fátima   +4 more
core   +1 more source

Application of Portable X-ray Fluorescence Spectrometer in the Analysis of Rock Samples

open access: yesYankuang ceshi, 2018
Portable X-ray Fluorescence Spectrometer (PXRF) is often used in the laboratory and the field because it is a portable, high-efficiency and non-destructive piece of equipment.
ZHOU Shu-guang   +4 more
doaj   +1 more source

A (not so) dangerous method: pXRF vs. EPMA-WDS analyses of copper-based artefacts [PDF]

open access: yes, 2014
Analysis of metal objects with portable and handheld X-ray fluorescence spectrometry has become increasingly popular in recent years. Here, methodological concerns that apply to non-destructive, surface examination with XRF instruments of ancient metal ...
Orfanou, V, Rehren, T
core   +1 more source

Predictions of Cu, Zn, and Cd Concentrations in Soil Using Portable X-Ray Fluorescence Measurements

open access: yesSensors, 2020
Portable X-ray fluorescence (PXRF) measurements on 1520 soil samples were used to create national prediction models for copper (Cu), zinc (Zn), and cadmium (Cd) concentrations in agricultural soil.
Karl Adler   +4 more
doaj   +1 more source

Mobile spectroscopic instrumentation in archaeometry research [PDF]

open access: yes, 2016
Mobile instrumentation is of growing importance to archaeometry research. Equipment is utilized in the field or at museums, thus avoiding transportation or risk of damage to valuable artifacts.
Donais, MK, Vandenabeele, Peter
core   +2 more sources

Ancient technology and punctuated change: Detecting the emergence of the Edomite Kingdom in the Southern Levant. [PDF]

open access: yes, 2019
While the punctuated equilibrium model has been employed in paleontological and archaeological research, it has rarely been applied for technological and social evolution in the Holocene.
Ben-Yosef, Erez   +5 more
core   +2 more sources

Using handheld pXRF to study medieval stained glass: A methodology using trace elements [PDF]

open access: yes, 2017
The surfaces of 30 pieces of glass from panel 3b of the Great East Window of York Minster (1405-1408 CE) were analyzed by handheld portable X-ray fluorescence (pXRF) and small samples from the same pieces were analyzed by electron microprobe (EPMA ...
Adlington, LW, Freestone, IC
core   +1 more source

Comparison of AAS, ICP-MS, and pXRF Performance for Copper Analysis in Agricultural Soils [PDF]

open access: yesJournal of Central European Agriculture
Accumulated copper (Cu) in agricultural soils is non-biodegradable and persists in the environment, which imposes the need for its regular monitoring by selective, rapid, simple, and low-cost analytical techniques.
Marija Poljak   +4 more
doaj   +1 more source

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