Investigation of carbonate addition on risk element concentrations in various teas

2022 ◽  
Author(s):  
Tugce Yalcin Gorgulu ◽  
Deniz Uygunoz ◽  
Azmi Seyhun Kipcak ◽  
Emek Moroydor Derun
Keyword(s):  
Element Concentrations ◽  
Risk Element

Lateral resolution of the electron microbeam analysis

1978 ◽  
Vol 36 (1) ◽  
pp. 542-543
Author(s):  
H.J. Dudek
Keyword(s):  
Quantitative Analysis ◽  
Depth Resolution ◽  
Lateral Resolution ◽  
Cylindrical Particle ◽  
Correction Procedure ◽  
X Ray ◽  
Element Concentrations ◽  
Microbeam Analysis ◽  
The Matrix

The chemical inhomogenities in modern materials such as fibers, phases and inclusions, often have diameters in the region of one micrometer. Using electron microbeam analysis for the determination of the element concentrations one has to know the smallest possible diameter of such regions for a given accuracy of the quantitative analysis.In th is paper the correction procedure for the quantitative electron microbeam analysis is extended to a spacial problem to determine the smallest possible measurements of a cylindrical particle P of high D (depth resolution) and diameter L (lateral resolution) embeded in a matrix M and which has to be analysed quantitative with the accuracy q. The mathematical accounts lead to the following form of the characteristic x-ray intens ity of the element i of a particle P embeded in the matrix M in relation to the intensity of a standard S

Element concentrations and trends for moss, lichen, and surface soils in and near Denali National Park and Preserve, Alaska

1992 ◽  
Author(s):  
J.G. Crock ◽  
L.P. Gough ◽  
D.R. Mangis ◽  
K.L. Curry ◽  
D.L. Fey ◽  
...  
Keyword(s):  
National Park ◽  
Surface Soils ◽  
Element Concentrations ◽  
Denali National Park

ASSESSMENT OF TRACE ELEMENT CONCENTRATIONS IN THE FARMINGTON RIVER, HARTFORD COUNTY, CT

2016 ◽  
Author(s):  
Matthew Costa ◽  
◽  
Carley M. Cavanaugh ◽  
Oluyinka Oyewumi
Keyword(s):  
Trace Element ◽  
Element Concentrations

Trace element concentrations in ambient air as a function of distance from road

2020 ◽  
Author(s):  
Emily Silva ◽  
Shaodan Huang ◽  
Joy Lawrence ◽  
Marco A.G. Martins ◽  
Jing Li ◽  
...  
Keyword(s):  
Trace Element ◽  
Ambient Air ◽  
Element Concentrations
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