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"Medical Detectives – Geheimnisse der Gerichtsmedizin" - Dokumentation - Dokureihe, VOX, 21.02.2021, 02:25 Uhr - Sendung im TV-Programm - TV & Radio tele.at - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tele.at Daily Mail and Mail on Sunday newspapers.
"Medical Detectives – Geheimnisse der Gerichtsmedizin" - Dokumentation - Dokureihe, VOX, 10.01.2021, 03:30 Uhr - Sendung im TV-Programm - TV & Radio tele.at - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from tele.at Daily Mail and Mail on Sunday newspapers.
Virtually nothing remains. it takes a lot of temperature to reduce a body to nothing but a little pile of ashes. investigators called laboratories and universities around the country, but no one knew of any way to test cremated remains for forensic evidence. but rod mccutcheon, a toxicologist at the texas department of public safety crime lab, was willing to try. so i started thinking about the possibility of detecting arsenic in a cremated remains sample and decided it might be possible. there were a lot of things to consider. mccutcheon knew that arsenic is actually a metal and some metals survive fire and intense heat. you may change its form from a solid to a gas, but you aren t going to destroy the arsenic itself. so he took the sisters ashes and added an acid solution to ....
Dissolve all of the organic material. what was left was primarily sulfuric acid. in a process called colorimetric testing, he added hydrochloric acid and zinc to the mix. as it bubbles through this device, the arsenic will react and form, if it s present, a purplish violet color. the more arsenic present, the stronger the more purple the color is. rod mccutcheon s chemical cocktail made forensic history. the solution turned a deep purple. conclusive proof of the presence of arsenic. the depth of color in the reaction showed that cordelia norton ingested a massive amount of arsenic. the test results on catherine s ashes were inconclusive. nevertheless, their deaths were ruled homicides. ....
if scoggin poisoned the norton sisters, no one could prove it. they had both been cremated. all that remained were their ashes. he believed he could burn up the evidence and he would be safe. in the average cremation, the body is subjected to temperatures of more than 2,000 degrees fahrenheit for up to three hours. virtually nothing remains. it takes a lot of temperature to reduce a body to nothing but a little pile of ashes. investigators called laboratories and universities around the country, but no one knew of any way to test cremated remains for forensic evidence. but rod mccutcheon, a toxicologist at the texas department of public safety crime lab, was willing to try. so i started thinking about the possibility of detecting arsenic in a cremated remains sample, and decided it might be possible. there were a lot of things to consider. mccutcheon knew that arsenic is actually a metal and some metals survive fire and intense heat. you may change its form from a solid ....