PIXE - A new analytical technique for the analysis of coal and coal derived fuels
Conference
·
· Am. Chem. Soc., Div. Gas Fuel Chem., Prepr.; (United States)
OSTI ID:5723182
A new technique, PIXE - particle induced x-ray emission scanning, for analyzing concentrations of sodium through uranium with detection limits in the order of ppb and ppm is explained in this paper. The accuracy of scan is 1 ..mu..m and the target can be moved over a distance of 8 inches in any direction for surface or depth analysis. PIXE is performed by scanning the target, in increments ranging from 1 to 8 mm adjustable diameter of proton beam, line by line, using a computer controlled Deadal motor driven linear translation stage in the needed directions. The experimental results obtained from a number of coal and ash samples, using PIXE technique are presented. The degree of accuracy of the PIXE technique relative to other techniques is also discussed. The technique is very useful for coal and ash analyses, deposit analysis, and analyses of corroded and eroded surfaces using coal and coal derived fuels. PIXE is a unique technique which provides quantitative data on concentration of inorganic constituents, its oxidation state and depth simultaneously. Total analysis time in this technique, including sample preparation, varies from 8-10 minutes per sample.
- Research Organization:
- Dept. of Chemistry, William Paterson College, Wayne, NJ
- OSTI ID:
- 5723182
- Report Number(s):
- CONF-860425-
- Conference Information:
- Journal Name: Am. Chem. Soc., Div. Gas Fuel Chem., Prepr.; (United States) Journal Volume: 31:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010600* -- Coal
Lignite
& Peat-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ACCURACY
ACTINIDES
ALKALI METALS
ASHES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
COAL
COAL FINES
COAL LIQUIDS
CORROSION
DATA
ELEMENTS
ENERGY SOURCES
EROSION
EXPERIMENTAL DATA
FLUIDS
FOSSIL FUELS
FUELS
INFORMATION
LIQUIDS
MATERIALS
METALS
NONDESTRUCTIVE ANALYSIS
NUMERICAL DATA
OXIDATION
PIXE ANALYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RESIDUES
SAMPLE PREPARATION
SODIUM
SURFACES
SYNTHETIC FUELS
TIME DEPENDENCE
URANIUM
X-RAY EMISSION ANALYSIS
010600* -- Coal
Lignite
& Peat-- Properties & Composition
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104 -- Spectral Procedures-- (-1987)
ACCURACY
ACTINIDES
ALKALI METALS
ASHES
CARBONACEOUS MATERIALS
CHEMICAL ANALYSIS
CHEMICAL REACTIONS
COAL
COAL FINES
COAL LIQUIDS
CORROSION
DATA
ELEMENTS
ENERGY SOURCES
EROSION
EXPERIMENTAL DATA
FLUIDS
FOSSIL FUELS
FUELS
INFORMATION
LIQUIDS
MATERIALS
METALS
NONDESTRUCTIVE ANALYSIS
NUMERICAL DATA
OXIDATION
PIXE ANALYSIS
QUANTITATIVE CHEMICAL ANALYSIS
QUANTITY RATIO
RESIDUES
SAMPLE PREPARATION
SODIUM
SURFACES
SYNTHETIC FUELS
TIME DEPENDENCE
URANIUM
X-RAY EMISSION ANALYSIS