1. Lin Wozniewski lwoz@iun.edu
Forensics
Lin Wozniewski

2. Safety Students must wear: Closed shoes
Slacks or skirts that come to the ankles
Lab coat or lab apron
Indirect vent or unvented chemical splash proof goggles. No impact glasses or visorgogs are permitted

3. Students can bring Spot plate or something to do reactions in
Micrspatula or something to get powders out
Forceps/ Metal Tongs
pH paper
Magnet
Hand lens

4. Students Can Bring Test Tubes Test Tube rack Test Tube holder
Eye droppers
Funnel
Filter Paper
Battery Conductivity meter
Flame loop
Ruler
Calculator

5. Students Can Bring Slide & cover slip Pencil Paper towels
1 sheet of paper on which anything handwritten is acceptable.
A writing instrument
Nothing else is allowed

6. Supervisors will provide
Unknowns
Iodine Solution
2 M HCl
Benedicts Solution
2 M NaOH
Differential Density materials
Chromatography Materials
Wash bottle with Distilled or ROI water
Candle and matches

7. Supervisors will Provide
Bunsen Burner or other heat source of similar BTU
Hot water bath
Waste Container
(Microscope?)
(Other reagents?)

8. Crime Scene Physical Evidence How to prepare students Resources
Main Focus
Chemical Analysis
Polymers
Chromatography
Crime Scene Physical Evidence
How to prepare students
Resources

9. How To Prepare Students
Have students develop a dichotomous key for identifying chemicals
Practice identifying chemicals in as short a time as possible.
Practice identifying plastics
Practice identifying hairs (only human, dog, cat possible)
Practice identifying fibers

10. How to Prepare Students
Practice doing pen chromatograms/doing Rf
Practice doing juice chromatograms/doing Rf
Practice doing TLC/doing Rf
Practice identifying masses from mass specs
Practice identifying fingerprints
Practice matching DNA chromatograms/electropherograms
Practice matching shoes & tires to their tracks
Practice blood typing
Do a liquid spatter activity
Practice using a waste container
Do a glass refractive index activity

11. Resources The National SO Website www.soinc.org
The information on my thumb drive

12. Questions?
Thank You