Winkler method: measure dissolved oxygen in water samples and calculate biological oxygen demand (BOD). IB and A-level redox titration practical with full method.
Tag: IA chemistry
Aspirin Synthesis: Esterification Practical
Synthesise aspirin (acetylsalicylic acid) through esterification of salicylic acid and acetic anhydride. IB and A-level organic chemistry practical with method.

