Question

determination of iron in multi-vitamin tablets by colorimetry and verification of their consistency between two production batches

1. What is the function of ascorbic acid in this experiment?

2. Briefly outline how would you use this method to determine relative concentration of different species of Fe (i.e. Fe(ii) and Fe(iii) oxidation states in the same solution ), for example in lake water to monitor red-ox environments?

3. What is a t-test and how will you use it to analyze the concentration of iron in your samples?

Answer 1