Chapter 32. Lab VII-5 Assay Vitamin C in Urine by Iodometric Titration

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

  • Ascorbic acid (vitamin C) tablet, 500 mg

  • Graduated cylinder, 10 mL

  • Graduated cylinder, 100 mL

  • Iodine solution

  • Pipettes

  • Starch indicator solution

  • Test tubes

  • Test tube rack

Materials you Provide

  • Gloves

  • Water, distilled or deionized

  • Soft drink bottle, 500 mL, clean and empty

  • Specimen(s): urine (see text)


We’ll assume that you’re using your own urine, which presents no biohazard to you. (In fact, urine obtained from any healthy person is ...

Get Illustrated Guide to Home Forensic Science Experiments now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.