Supplier Page from Thermo Fisher Scientific for Zinc standard solution, for AAS, 1 µg/mL Zn in 2-5% HCl
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl phenylcyanoacetate, 97% from Thermo Fisher Scientific
Eugenol, 99% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific