Supplier Page from Thermo Fisher Scientific for Starch indicator solution 1%, w/v aqueous solution (for iodometric titrations
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Acetophenone, 98%, pure from Thermo Fisher Scientific
Hydroquinone, 99% from Thermo Fisher Scientific
Imidazole, 99% from Thermo Fisher Scientific