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29 relations: Analytical technique, Antimony, ASTM International, Barium, Blowback (forensics), Bullet, Calcium, Capillary electrophoresis, Cartridge (firearms), Chemical element, Chromatography, Contamination, Detonator, Energy-dispersive X-ray spectroscopy, Firearm, Fireworks, Forensic science, Lead, Mass spectrometry, Micrograph, New Scientist, Organic compound, Propellant, Scanning electron microscope, Scientific Working Group, Silicon, Spectroscopy, Weapon, X-ray.
Analytical technique
An analytical technique is a method that is used to determine the concentration of a chemical compound or chemical element.
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Antimony
Antimony is a chemical element with symbol Sb (from stibium) and atomic number 51.
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ASTM International
ASTM International is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.
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Barium
Barium is a chemical element with symbol Ba and atomic number 56.
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Blowback (forensics)
Blowback in forensics refers to vacuum effect created in the barrel of a firearm when it is discharged.
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Bullet
A bullet is a kinetic projectile and the component of firearm ammunition that is expelled from the gun barrel during shooting.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Capillary electrophoresis
Capillary electrophoresis (CE) is a family of electrokinetic separation methods performed in submillimeter diameter capillaries and in micro- and nanofluidic channels.
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Cartridge (firearms)
A cartridge is a type of firearm ammunition packaging a projectile (bullet, shots or slug), a propellant substance (usually either smokeless powder or black powder) and an ignition device (primer) within a metallic, paper or plastic case that is precisely made to fit within the barrel chamber of a breechloading gun, for the practical purpose of convenient transportation and handling during shooting.
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Chemical element
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
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Chromatography
Chromatography is a laboratory technique for the separation of a mixture.
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Contamination
Contamination is the presence of an unwanted constituent, contaminant or impurity in a material, physical body, natural environment, workplace, etc.
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Detonator
A detonator, frequently a blasting cap, is a device used to trigger an explosive device.
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Energy-dispersive X-ray spectroscopy
Energy-dispersive X-ray spectroscopy (EDS, EDX, EDXS or XEDS), sometimes called energy dispersive X-ray analysis (EDXA) or energy dispersive X-ray microanalysis (EDXMA), is an analytical technique used for the elemental analysis or chemical characterization of a sample.
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Firearm
A firearm is a portable gun (a barreled ranged weapon) that inflicts damage on targets by launching one or more projectiles driven by rapidly expanding high-pressure gas produced by exothermic combustion (deflagration) of propellant within an ammunition cartridge.
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Fireworks
Fireworks are a class of low explosive pyrotechnic devices used for aesthetic and entertainment purposes.
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Forensic science
Forensic science is the application of science to criminal and civil laws, mainly—on the criminal side—during criminal investigation, as governed by the legal standards of admissible evidence and criminal procedure.
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Lead
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
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Mass spectrometry
Mass spectrometry (MS) is an analytical technique that ionizes chemical species and sorts the ions based on their mass-to-charge ratio.
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Micrograph
A micrograph or photomicrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an item.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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Organic compound
In chemistry, an organic compound is generally any chemical compound that contains carbon.
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Propellant
A propellant or propellent is a chemical substance used in the production of energy or pressurized gas that is subsequently used to create movement of a fluid or to generate propulsion of a vehicle, projectile, or other object.
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Scanning electron microscope
A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons.
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Scientific Working Group
Since the early 1990s, American and International forensic science laboratories and practitioners have collaborated in Scientific Working Groups (SWGs) to improve discipline practices and build consensus standards.
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Silicon
Silicon is a chemical element with symbol Si and atomic number 14.
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Spectroscopy
Spectroscopy is the study of the interaction between matter and electromagnetic radiation.
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Weapon
A weapon, arm or armament is any device used with intent to inflict damage or harm.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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References
[1] https://en.wikipedia.org/wiki/Gunshot_residue
