Supplier Page from Thermo Fisher Scientific for Nickel foil, 1.0mm (0.04in) thick, 99.5% (metals basis)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl 4-dimethylaminobenzoate, 99+% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific