Evaluation of bone mineral density loss using an X-ray powder diffractometer and synchrotron radiation at LNLS—Brazil

Lima, João Carlos Mendes; Barroso, R.C.; Braz, Delson; Droppa, R.; Oliveira, Luis Fernando; Lopes, Ricardo Tadeu

doi:10.1016/j.nima.2007.05.130

Cited by 2 publications

(1 citation statement)

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“…The obtained samples were characterized in the D12A-XRD1 beamline at the Brazilian Synchrotron Light Laboratory (LNLS). The beamline is equipped with a three-circle Huber diffractometer (θ,2θ,φ), which permits the rotation of a sample in three axes (Figure 5) (Lima et al , 2007).…”

Section: Methodsmentioning

confidence: 99%

Compositional study of prehistoric pigments (Carriqueo rock shelter, Argentina) by synchrotron radiation X-ray diffraction

Vázquez

Palacios

Darchuk³

et al. 2010

Powder Diffr.

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In this work synchrotron radiation X-ray diffraction technique was successfully applied for the analysis of pigments found in excavation at Carriqueo rock shelter, Neuquén, Argentina. The pigment samples of orange, red, and brown shades were collected from different levels of this archaeological site and compared with a suspected source of provenance (La Oficina creek). X-ray diffraction patterns of several yellowish, reddish, and red pigments showed the presence of haematite, goethite, kaolinite, and quartz. The majority of Carriqueo collected samples belonged to the same group of the suspected source, having haematite and quartz as main crystalline phases. The results indicate that the raw material from La Oficina is the source of most of the pigments found at Carriqueo. The present work helps us to understand the strategy of supplying raw materials by human groups in the North Patagonia region.

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Section: Methodsmentioning

confidence: 99%