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The Evidential Value of Glass Fragments.
Member rating: No Rating | Words: | Submitted: Mon Dec 22 2003
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The Evidential Value of Glass Fragments As a crime scene examiner you are on many occasions going to find glass when approaching a crime scene. It may be a burglary where a person has broken a window to gain entry or egress, a car taken without owner's consent or even a murder scene where a victim has been bludgeoned by a glass bottle. In these cases glass may be the deciding factor in whether a conviction can occur or whether a suspect can be linked to a crime scene. But what exactly is glass? Glass is a multi-form material, depending on the way it was manufactured and its chemical composition, and is produced from three main components:> Silica (Sand) - Sand is heated by intense temperatures to form a fragile glass.> Soda Ash (Sodium Carbonate) - Added to the mixture to lower the melting temperature of the sand. Soda Ash comes...
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