scholarly journals Mineralogical and Chemical Quantification of Waelz Slag

2020 ◽  
Author(s):  
Peter Onuk
Keyword(s):  
Chemical Quantification

scholarly journals Chemical Quantification of Atomic-Scale EDS Maps under Thin Specimen Conditions

2014 ◽  
Vol 20 (6) ◽  
pp. 1782-1790 ◽  
Author(s):  
Ping Lu ◽  
Eric Romero ◽  
Shinbuhm Lee ◽  
Judith L. MacManus-Driscoll ◽  
Quanxi Jia
Keyword(s):  
Atomic Scale ◽  
Specimen Thickness ◽  
Peak Width ◽  
Thin Specimen ◽  
Gaussian Peak ◽  
X Ray ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
The Relationship ◽  
Chemical Quantification

AbstractWe report our effort to quantify atomic-scale chemical maps obtained by collecting energy-dispersive X-ray spectra (EDS) using scanning transmission electron microscopy (STEM) (STEM-EDS). With thin specimen conditions and localized EDS scattering potential, the X-ray counts from atomic columns can be properly counted by fitting Gaussian peaks at the atomic columns, and can then be used for site-by-site chemical quantification. The effects of specimen thickness and X-ray energy on the Gaussian peak width are investigated using SrTiO3 (STO) as a model specimen. The relationship between the peak width and spatial resolution of an EDS map is also studied. Furthermore, the method developed by this work is applied to study cation occupancy in a Sm-doped STO thin film and antiphase boundaries (APBs) present within the STO film. We find that Sm atoms occupy both Sr and Ti sites but preferably the Sr sites, and Sm atoms are relatively depleted at the APBs likely owing to the effect of strain.

scholarly journals Chemical Quantification of Atomic-scale EDS Maps under Thin Specimen Conditions

2013 ◽  
Vol 19 (S2) ◽  
pp. 1298-1299 ◽  
Author(s):  
P. Lu ◽  
M. Van Benthem ◽  
Q. Jia
Keyword(s):  
Atomic Scale ◽  
Thin Specimen ◽  
Chemical Quantification

Extended abstract of a paper presented at Microscopy and Microanalysis 2013 in Indianapolis, Indiana, USA, August 4 – August 8, 2013.

scholarly journals Synthesis of nanodiamond derivatives carrying amino functions and quantification by a modified Kaiser test

2014 ◽  
Vol 10 ◽  
pp. 2729-2737 ◽  
Author(s):  
Gerald Jarre ◽  
Steffen Heyer ◽  
Elisabeth Memmel ◽  
Thomas Meinhardt ◽  
Anke Krueger
Keyword(s):  
Diels Alder ◽  
Amino Groups ◽  
Pyrimidine Derivatives ◽  
Quantification Method ◽  
Different Types ◽  
Primary Amino ◽  
Wet Chemical ◽  
Terminal Amino ◽  
Chemical Quantification

Nanodiamonds functionalized with different organic moieties carrying terminal amino groups have been synthesized. These include conjugates generated by Diels–Alder reactions of ortho-quinodimethanes formed in situ from pyrazine and 5,6-dihydrocyclobuta[d]pyrimidine derivatives. For the quantification of primary amino groups a modified photometric assay based on the Kaiser test has been developed and validated for different types of aminated nanodiamond. The results correspond well to values obtained by thermogravimetry. The method represents an alternative wet-chemical quantification method in cases where other techniques like elemental analysis fail due to unfavourable combustion behaviour of the analyte or other impediments.

Atomic-scale chemical quantification of oxide interfaces using energy-dispersive X-ray spectroscopy

2013 ◽  
Vol 102 (17) ◽  
pp. 173111 ◽  
Author(s):  
Ping Lu ◽  
Jie Xiong ◽  
Mark Van Benthem ◽  
Quanxi Jia
Keyword(s):  
Atomic Scale ◽  
Energy Dispersive ◽  
Oxide Interfaces ◽  
X Ray ◽  
Chemical Quantification

scholarly journals New approach to remote gas-phase chemical quantification: selected-band algorithm

2013 ◽  
Vol 53 (2) ◽  
pp. 021111 ◽  
Author(s):  
Sidi Niu ◽  
Steven E. Golowich ◽  
Vinay K. Ingle ◽  
Dimitris G. Manolakis
Keyword(s):  
Gas Phase ◽  
New Approach ◽  
Chemical Quantification ◽  
Phase Chemical

scholarly journals Biochemical profile of Cashew nut

2019 ◽  
Vol 20 ◽  
pp. 48-50
Author(s):  
Swapan Mandal ◽  
Keyword(s):  
Cardiovascular Health ◽  
Magnesium Content ◽  
Huge Amount ◽  
Migraine Headaches ◽  
Cashew Nut ◽  
Increased Risk ◽  
Heart Disorders ◽  
Chemical Quantification ◽  
High Triglyceride ◽  
Different Soils

Cashew is a kidney-shaped nut that commercially grows on a tropical evergreen tree. In recent times, the commercial importance of cashew nut and apple in terms of human health is gaining great momentum. The kernels of 75 promising cashew germplasms were taken from different soils of West Bengal, for bio-chemical quantification. Out of which 10 promising commercial germplasms were taken for experimental study. The study indicates that nutritional content Iron (0.08%), Calcium (0.96%), magnesium (0.75%), potassium (2.18%), sodium (0.22%), phosphorus (1.21%), neutral lipid (98.54%), phospholipid (3.12%), protein (49.63%), starch (33.5%), amino acid (53.37%), phenol (53.4%), total sugar (21.27%). It also contains a huge amount of lipids that promote good cardiovascular health. Often high triglyceride levels are associated with an increased risk for heart disorders and mono-unsaturated fats reduce triglyceride levels. The cashew nuts high magnesium content also takes the credit for its healthy heart quality and so daily recommended for the heart-healthy mineral. It also protects against high blood pressure, muscle spasms, migraine headaches, tension, soreness, and fatigue.

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