Supplier Page from Thermo Fisher Scientific for Gold standard solution, for AAS, 1 µg/mL Au in 10-20% HCl
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethylene carbonate, 99+% from Thermo Fisher Scientific