The primary reason for analyzing paint samples with an SEM/EDS systems is_______
ID: 509123 • Letter: T
Question
The primary reason for analyzing paint samples with an SEM/EDS systems is________________.
To provide a visual representation of the surface.
To create an atomic number map.
To differentiate between metameric samples.
To determine the elemental composition of the paint and its layers.
To disassemble molecules through an electron beam and analysis breakdown products.
The __________________is applied to the steel body of a vehicle to inhibit rust.
Pretreatment
Primer
Topcoat
Clearcoat
All of the above
Select the statement that is correct.
Trace evidence is readily subjected to statistical analyses.
Known paint samples should be collected from the damaged area.
It is critical to note the origin of all paint samples.
Subcoating materials are rarely analyzed.
Paint smears are rather straightforward to analyze.
Which of the following represent a destructive test?
Microscopic analysis
Solvent tests
Infrared Spectroscopy
Pyrolysis-Gas Chromatography
B and D
___________________is a suspension of pigments and additives intended to color or protect a surface.
A binder
A resin
A paint
A dye
A stain
Flakes of paint are best removed from a surface by
Microchemical treatment
A variety of ways depending upon the evidence, location, and environmental factors.
Smear transfer
A clean blade
Prying out loose flakes
Visual comparisons of paint samples are __________________.
Done side by side in the same field of view.
Done with a comparison microscope.
Informative with respect to color, pigment appearance, flake size and distribution.
Done with a polarized light microscope.
All of the above
Which of the following does not help to strengthen the association between two analytically indistinguishable paint samples?
Number of layers
Comparison with paint library samples
Sequence of layers
Color of each layer
Cross-transfer of paint between items
Paint can be divided into the following categories:
Architectural, Dye, Enamel, and Varnish
Household, Car, Special Purpose Coating, Art
Household, Automobile, Water-proof, Art
Architectural, Latex, Shellac, Enamel
Architectural, Product Coating, Special Purpose Coating, Art
Special purpose coatings
Are sometimes called household paints.
Are applied in the process of manufacturing products, including automobiles.
Are encountered in forgery cases.
Fulfill some specific need beyond protection or aesthetic improvement.
Are metal based paints.
To provide a visual representation of the surface.
To create an atomic number map.
To differentiate between metameric samples.
To determine the elemental composition of the paint and its layers.
To disassemble molecules through an electron beam and analysis breakdown products.
Explanation / Answer
1.The primary reason for analyzing paint samples with an SEM/EDS systems isTo determine the elemental composition of the paint and its layers.
2.The Primer is applied to the steel body of a vehicle to inhibit rust.
3.
4.Which of the following represent a destructive test? Pyrolysis-Gas Chromatography
5. A paint is a suspension of pigments and additives intended to color or protect a surface.
6.Flakes of paint are best removed from a surface by A clean blade
7.Visual comparisons of paint samples are Done with a comparison microscope.
8. Which of the following does not help to strengthen the association between two analytically indistinguishable paint samples? Comparison with paint library samples.
9. Paint can be divided into the following categories: Architectural, Product Coating, Special Purpose Coating, Art
10. Special purpose coatings Fulfill some specific need beyond protection or aesthetic improvement.
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