Topic: Gunshot Residue
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Answers to Common Questions
What is gunshot residue comprised of?
Primer gunshot residue (pGSR) is comprised of fused particles of the elements le... Read More »
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What makes up gunshot residue?
Among other materials, gunshot residue contains the heavy metals barium, lead and ... Read More »
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How do they test for gunshot residue?
Most tests require the presence of lead for a valid reading, including two of th... Read More »
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Gunshot Residue
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Answers to Other Common Questions
It is the used up gunpowder that has not completely burned off by combustion of the firing cap. It is "blowback" as you notice the barrel of a gun is not entirely closed to allow the build up of gases to escape of the gun may explode in you...
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Source: http://answers.yahoo.com/question/index?qid=20080220084229AAvZ6di
Depends on which residue you're referring to. Discharging a gun will leave some residue from the gunpowder (carbon), but it'll also leave some residue in the barrel from the bullet itself. Lead bullets will leave a small trace of lead behin...
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Source: http://answers.yahoo.com/question/index?qid=20070115143613AAnAA9V
It's like anything else. Traces of gunshot residue can remain until t...
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Source: http://www.chacha.com/question/how-long-does-gunshot-residue-stay...
I am sorry for your loss, but the truth of the matter is that GSR test is garbage, our office doesn't even do it any more, it has been shown to be so inaccurate, in controlled studies. Investigation by seasoned investigators is going to giv...
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Source: http://answers.yahoo.com/question/index?qid=20101113204126AAQUvDO
Almost all bullets or shells have a percussion charge at the back of them which is set off by the hammer, or breach in the case of larger guns,. There are many distinct types of percussion charge, all gunpowder based. Gunpowder's main const...
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Source: http://answers.yahoo.com/question/index?qid=20081019041041AAis8yu
I am sure you are asking about something valid here, but what I am reading is "shotgun residue", which is burnt powder and possibly the wadding cup, which would not be saved, packaged nor shelved. Post an addendum and give me just a little ...
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Source: http://answers.yahoo.com/question/index?qid=20080730211911AAjP4PD
