This is a very simple workshop which canm nevertheless give good results. Pupils use a simple titration (counting the drops of juice) to determine the concentration of Vitamin C in a a variety of fruit juices using the reaction of ascorbic acid with iodine.

Vitamin C Drops – Experiment Guide

Vitamin C Drops – Teacher’s Guide

Vitamin C Drops – Technician’s Guide

Vitamin C Drops – Risk Assessment

Vitamin C Drops – Discussion Activities

Vitamin C Drops – Introductory powerpoint