Optimum Energy-Dispersive X-Ray Spectroscopy Elemental Mapping for Advanced Catalytic Materials

ChemCatChem ◽  
2013 ◽  
Vol 5 (9) ◽  
pp. 2586-2590 ◽  
Author(s):  
Bingsen Zhang ◽  
Wei Zhang ◽  
Lidong Shao ◽  
Dang Sheng Su
Keyword(s):  
Energy Dispersive ◽  
Elemental Mapping ◽  
X Ray ◽  
Catalytic Materials ◽  
Optimum Energy

scholarly journals Study of the Painting Methods of Mural Paintings in Ancient Tombs of Goguryeo Using Scanning Electron Microscope

2013 ◽  
Vol 19 (S5) ◽  
pp. 157-161 ◽  
Author(s):  
Kyeongsoon Han ◽  
Sangjin Lee ◽  
Hwasoo Lee
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Electron Microscope ◽  
Scanning Electron Microscope ◽  
Energy Dispersive ◽  
Elemental Mapping ◽  
The West ◽  
X Ray ◽  
Mural Paintings ◽  
Scanning Electron

AbstractDisputes on the painting methods of Goguryeo murals can mainly be categorized into whether the murals adapted eastern secco or western fresco; however, the murals have their own unique methods as well. There are different viewpoints among experts on interpreting the painting methods. This study involved the creation of research samples to discover the painting methods under dispute and may help discover the methods based on scanning electron microscopy energy-dispersive X-ray spectroscopy (SEM-EDX) studies. Goguryeo murals introduced pseudo-fresco rather than buon fresco methods. Unlike fresco techniques in the West, Goguryeo painters mixed traditional soft binders and adapted typical secco painting techniques for paintings, borders, and corrections after drying. The disputed issues may be resolved by these techniques, and samples may be produced based on the analyzed data. Therefore, many questions can finally be answered through SEM-EDX elemental mapping.

scholarly journals Porpitids (Cnidaria: Hydrozoa) from the early Cambrian (Series 2: Stage 4) of Nevada, U.S.A.

2017 ◽  
Author(s):  
Bruce S Lieberman ◽  
Richard Kurkewicz ◽  
Heather Shinogle
Keyword(s):  
Iron Sulfide ◽  
Energy Dispersive ◽  
Early Cambrian ◽  
Elemental Mapping ◽  
X Ray ◽  
Element Carbon ◽  
Stage 4 ◽  
The Status

The morphology and affinities of newly discovered soft-bodied fossils from the early Cambrian (Series 2: Stage 4, Dyeran) Carrara Formation that resemble modern and fossil porpitids are discussed. These specimens show substantial similarity to the Ordovician porpitid Discophyllum peltatum Hall, 1847. The status of various Proterozoic and Phanerozoic taxa previously referred to porpitids is also briefly considered. To verify that the specimens were not dubio- or pseudofossils, elemental mapping using energy dispersive X-ray spectroscopy (EDS) was conducted. This indicated that the fossils were not hematite, iron sulfide, pyrolusite, or other abiologic mineral precipitates. Instead, their status as biologic structures and thus actual fossils is supported. Enrichment in the element carbon, and also possibly to some extent the elements magnesium and iron, seems to be playing some role in the preservation process.

Nonuniform functional group distribution of carbon nanotubes studied by energy dispersive X-ray spectrometry imaging in SEM

Nanoscale ◽  
2019 ◽  
Vol 11 (44) ◽  
pp. 21487-21492 ◽  
Author(s):  
Hideaki Nakajima ◽  
Takahiro Morimoto ◽  
Ying Zhou ◽  
Kazufumi Kobashi ◽  
Seisuke Ata ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Spatial Resolution ◽  
Functional Group ◽  
High Spatial Resolution ◽  
Energy Dispersive ◽  
Elemental Mapping ◽  
X Ray ◽  
Group Distribution

Light elemental mapping with a high spatial resolution of <10 nm is successfully conducted by the advanced SEM–EDS technique.

scholarly journals Disc-shaped fossils resembling porpitids (Cnidaria: Hydrozoa) or eldonids from the early Cambrian (Series 2: Stage 4) of western U.S.A.

2017 ◽  
Author(s):  
Bruce S Lieberman ◽  
Richard Kurkewicz ◽  
Heather Shinogle ◽  
Julien Kimmig ◽  
Breandán Anraoi MacGabhann
Keyword(s):  
Iron Sulfide ◽  
Energy Dispersive ◽  
Early Cambrian ◽  
Elemental Mapping ◽  
Burgess Shale ◽  
X Ray ◽  
Element Carbon ◽  
Stage 4 ◽  
The Status

The morphology and affinities of newly discovered disc-shaped soft-bodied fossils from the early Cambrian (Series 2: Stage 4, Dyeran) Carrara Formation are discussed. These specimens show some similarity to the Ordovician Discophyllum Hall, 1847; traditionally this taxon had been treated as a fossil porpitid. However, recently it has instead been referred to another clade, the eldonids, which includes the enigmatic Eldonia Walcott, 1911 that was originally described from the Cambrian Burgess Shale. The status of various Proterozoic and Phanerozoic taxa previously referred to porpitids and eldonids is also briefly considered. To help ascertain that the specimens were not dubio- or pseudofossils, elemental mapping using energy dispersive X-ray spectroscopy (EDS) was conducted. This, in conjunction with the morphology of the specimens, indicated that the fossils were not hematite, iron sulfide, pyrolusite, or other abiologic mineral precipitates. Instead, their status as biologic structures and thus actual fossils is supported. Enrichment in the element carbon, and also possibly to some extent the elements magnesium and iron, seems to be playing some role in the preservation process.

scholarly journals Disc-shaped fossils resembling porpitids or eldonids from the early Cambrian (Series 2: Stage 4) of western USA

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3312 ◽  
Author(s):  
Bruce S. Lieberman ◽  
Richard Kurkewicz ◽  
Heather Shinogle ◽  
Julien Kimmig ◽  
Breandán Anraoi MacGabhann
Keyword(s):  
Iron Sulfide ◽  
Energy Dispersive ◽  
Early Cambrian ◽  
Elemental Mapping ◽  
Burgess Shale ◽  
X Ray ◽  
Western Usa ◽  
Element Carbon ◽  
Stage 4 ◽  
The Status

The morphology and affinities of newly discovered disc-shaped, soft-bodied fossils from the early Cambrian (Series 2: Stage 4, Dyeran) Carrara Formation are discussed. These specimens show some similarity to the OrdovicianDiscophyllumHall, 1847; traditionally this taxon had been treated as a fossil porpitid. However, recently it has instead been referred to as another clade, the eldonids, which includes the enigmaticEldoniaWalcott, 1911 that was originally described from the Cambrian Burgess Shale. The status of various Proterozoic and Phanerozoic taxa previously referred to porpitids and eldonids is also briefly considered. To help ascertain that the specimens were not dubio- or pseudofossils, elemental mapping using energy dispersive X-ray spectroscopy (EDS) was conducted. This, in conjunction with the morphology of the specimens, indicated that the fossils were not hematite, iron sulfide, pyrolusite, or other abiologic mineral precipitates. Instead, their status as biologic structures and thus actual fossils is supported. Enrichment in the element carbon, and also possibly to some extent the elements magnesium and iron, seems to be playing some role in the preservation process.

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