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, 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)


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 ...

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