Re: 1892 TESTS FOR POISON AND BLOOD
- From: Bill Penrose <penrose@xxxxxxx>
- Date: Tue, 27 Nov 2007 08:30:34 -0800 (PST)
On Nov 27, 7:21 am, "dd...@xxxxxxxxxxxxx" <dd...@xxxxxxxxxxxxx> wrote:
In the Lizzie Borden trial, Dr. Edward S. Wood testified that he had
tested the milk containers that had been delivered to the Borden
residence on the day of the killings and the previous day and that
they were negative for poison. Do you have any idea WHAT tests could
have been performed for poison at that time?
Axes and hatchets that had what looked like bloodstains were tested
for blood and the tests were negative. What tests could have been
done to tell if a stain was blood or not?
There was a highly sensitive test for arsenic and most of its
compounds like Paris green (the Marsh test). Cyanide could be detected
by odor (by genetically predisposed persons), and strychnine by taste.
These were the main poisons readily available at about that time, I
think.
Blood would cause hydrogen peroxide to fizz, for a time. After the
catalase and the contained heme completely decomposed, the test would
appear negative.
This is from memory and needs confirmation. There is a book from
American Chemical Society called 'Chemistry and Crime' which has more
information in it. Many libraries have the book. The text might even
be online by now.
Dangerous Bill
.
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- 1892 TESTS FOR POISON AND BLOOD
- From: ddnoe@xxxxxxxxxxxxx
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