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Forensic Chemistry of Unknown Substances
Product Number: SB43605
In Stock (Ships within 1-2 business days)
Oftentimes, when collecting evidence at a crime scene, investigators may recover substances they are unable to identify in the field. Along with evidence such as fingerprints, hair, fibers, etc., there may be traces of unknown chemicals or powders left behind by the perpetrator or perpetrators. Evidence of this nature is sent to the crime lab for identification. In this experiment, you will use your observation skills, senses, and chemical tests on a series of known substances as well as two unknown substances. You will then attempt to identify the mystery substances based on your observations and recorded data. This activity includes backing powder, baking soda, corn starch, talcum powder, salt, gelatin, mystery substance #1, mystery substance #2, Biuret Reagent, Lugol’s Iodine, Acetic Acid, reaction plates, teacher’s manual, student guide, and analysis copy-masters. Enough material for 15 groups.