X-ray fluorescence analysis of Portland cement and clinker for major and trace elements: accuracy and precision

2017 ◽  
Vol 53 (2) ◽  
pp. 743-749 ◽  
Author(s):  
Selma Khelifi ◽  
Fadhila Ayari ◽  
Houcine Tiss ◽  
Dalila Ben Hassan Chehimi
Keyword(s):  
Trace Elements ◽  
Portland Cement ◽  
Fluorescence Analysis ◽  
Major And Trace Elements ◽  
X Ray ◽  
Accuracy And Precision

Determination of Sulfur, Ash, and trace Element Content of Coal, Coke, and Fly Using Multielement Tube-Excied X-ray Fluorescence Analsis

1976 ◽  
Vol 20 ◽  
pp. 431-436
Author(s):  
J. A. Cooper ◽  
B. D. Wheeler ◽  
G. J. Wolfe ◽  
D. M. Bartell ◽  
D. B. Schlafke
Keyword(s):  
Trace Elements ◽  
Fly Ash ◽  
Trace Element ◽  
Trace Element Content ◽  
Fluorescence Analysis ◽  
Major And Trace Elements ◽  
Average Concentration ◽  
Ash Content ◽  
X Ray

A procedure using tube excited energy dispersive x-ray fluorescence analysis with interelement corrections has been developed for multielement analysis of major and trace elements and ash content of coal, coke, and fly ash. The procedure uses pressed pellets and an exponential correction for interelement effects. The average deviations ranged from about 0.0003% for V at an average concentration of about .003% to 0.1% for S at an average concentration of 4%. About 25 elements were measured and 100 second minimum detectable concentrations ranged from about one part per million for elements near arsenic to about one tenth of one percent for sodium.

scholarly journals Using X-Ray Fluoresces Analysis to Assess Level of Major and Trace Elements in Cultivated Vegetables at Baghdad City

2016 ◽  
Vol 52 ◽  
pp. 84-87
Author(s):  
Mahdi M. Mutter
Keyword(s):  
Trace Elements ◽  
Trace Element ◽  
Fluorescence Analysis ◽  
Major And Trace Elements ◽  
Major Elements ◽  
X Ray

The aim of this study was determine the current levels of major and a trace element in vegetables was grown in Baghdad city, two region check in this study (Al-Taji, north of Baghdad and Al-Rashid south of Baghdad). Qualitative X-ray fluorescence analysis was used as technique for analysis of samples. Six different samples of plant are selected to study, which was tubers, leafy and fruiting. Samples checking was Lettuce, Bean, Apples, Potato, Cabbage and pear. Elements analysis as major elements were (Ca, K and Mn) and trace elements were (Fe, Cu, Pb, Sr and Zn). Results showed that concentrations of elements are in relative agree with the concentrations in neighbor countries and the standards of IAEU.

XRMF applications of a monolithic, polycapillary, focusing x-ray optic

1996 ◽  
Vol 54 ◽  
pp. 240-241
Author(s):  
D. A. Carpenter ◽  
Ning Gao ◽  
G. J. Havrilla
Keyword(s):  
Trace Elements ◽  
Point Source ◽  
Focal Spot ◽  
Fluorescence Analysis ◽  
X Rays ◽  
Focal Distance ◽  
Spot Diameter ◽  
X Ray ◽  
Focal Spot Diameter

A monolithic, polycapillary, x-ray optic was adapted to a laboratory-based x-ray microprobe to evaluate the potential of the optic for x-ray micro fluorescence analysis. The polycapillary was capable of collecting x-rays over a 6 degree angle from a point source and focusing them to a spot approximately 40 µm diameter. The high intensities expected from this capillary should be useful for determining and mapping minor to trace elements in materials. Fig. 1 shows a sketch of the capillary with important dimensions.The microprobe had previously been used with straight and with tapered monocapillaries. Alignment of the monocapillaries with the focal spot was accomplished by electromagnetically scanning the focal spot over the beveled anode. With the polycapillary it was also necessary to manually adjust the distance between the focal spot and the polycapillary.The focal distance and focal spot diameter of the polycapillary were determined from a series of edge scans.

Major and Trace Elements in the Humic Acid

2018 ◽  
Author(s):  
Zoltán Kis ◽  
Katalin Gméling ◽  
Tímea Kocsis ◽  
János Osán ◽  
Mihály András Pocsai ◽  
...  
Keyword(s):  
Trace Elements ◽  
Humic Acid ◽  
Activation Analysis ◽  
Analytical Techniques ◽  
Major And Trace Elements ◽  
Prompt Gamma Activation Analysis ◽  
Prompt Gamma ◽  
Gamma Activation ◽  
X Ray ◽  
Precise Analysis

We present precise analysis of major and trace elements of the humic acid. We used three different element analytical techniques in our investigations as prompt-gamma activation analysis (PGAA), neutron activation analysis (NAA) and X-ray fluorescence (XRF) analysis was carried out. We identified 42 elements in our sample.

Control of trace elements content in solid-phase extraction sorbent by x-ray fluorescence analysis

2020 ◽  
Author(s):  
E. V. Kochergina ◽  
A. O. Vagina ◽  
A. O. Taukin ◽  
A. V. Abramov ◽  
G. M. Bunkov ◽  
...  
Keyword(s):  
Trace Elements ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Fluorescence Analysis ◽  
Phase Extraction ◽  
X Ray

ANALYSIS OF COPPER COINS BY EDXRF TECHNIQUE

2004 ◽  
Vol 14 (03n04) ◽  
pp. 133-139 ◽  
Author(s):  
T. R. RAUTRAY ◽  
V. VIJAYAN ◽  
P. K. NAYAK ◽  
S. JENA
Keyword(s):  
Trace Elements ◽  
Major And Trace Elements ◽  
Spectroscopic Technique ◽  
Energy Dispersive ◽  
Historical Events ◽  
Trade Routes ◽  
X Ray ◽  
Edxrf Technique ◽  
Non Destructive ◽  
Archaeological Objects

Coins are important archaeological objects that can provide useful information regarding preparation methodology and provenance. Their classification plays a fundamental role in dating historical events, in constructing trade routes and in establishing the welfare of population. Several Indian copper coins of different periods have been studied using Energy Dispersive X-ray Fluorescence (EDXRF) spectroscopic technique. The method is rapid, efficient, multi elemental and non-destructive in nature. Concentrations of the major and trace elements like Ca , Ti , V , Cr , Mn , Fe , Co , Ni , Cu , Zn , As and Pb have been estimated in these copper coins. In the present investigation, an attempt has been made to characterize some Indian copper coins of different periods using EDXRF technique.

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