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Marquis (2% formaldehyde in sulfuric acid). The reagent turns purple in the
presence of heroin and morphine, and most opium derivatives. Marquis will also
become orange-brown when mixed with amphetamines and methamphetamine.
COLOR SPOT TESTS FOR COMMON EXPLOSIVES aGriess Reagent: Solution 1
— Dissolve 1 g sulfanilic acid in 100 ml of 30% acetic acid. Solution 2— Dissolve
0.5 g N-(l-napthyl) ethylenediamine in 100 ml of methyl alcohol. Add solutions ...
In all these circumstances, a conclusive finding of seminal acid phosphatase is
required for the forensic identification of human semen. Other tests for semen
involve the detection of choline and spermine. Choline and spermine are also ...
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LibraryThing ReviewUser Review - here.be.bookwyrms - LibraryThing
This textbook offers a great overview for an introductory forensic science course; every major segment of forensic science is covered to some degree - entomology, fire examination, firearms ... Read full review
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I used this textbook for an Introduction to Forensic Science class. It was well written and easy to understand with helpful review sections for each chapter. The case study portions are also very interesting for those looking for supplemental material to forensic science studies. Read full review