Illustrated Guide to Home Forensic Science Experiments

Chapter 33. Lab VIII-1 Salicylate Determination by Visual Colorimetry

Equipment and Materials

You’ll need the following items to complete this lab session. (The FK01 Forensic Science Kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)

Materials from Kit

• Goggles

• Graduated cylinder, 10 mL

• Pipettes

• Salicylate standard solution

• Salicylate reagent

• Spot plate

Materials you Provide

• Gloves

• Desk lamp or other light source

• Paper towel

• Soft drink bottle or other collection vessel

• Water, distilled or deionized

• Specimens: urine (see text)

Warning

This lab session requires a urine specimen obtained from someone who has recently taken aspirin or another salicylate drug. Consumption of aspirin and other salicylate ...