Supplier Page from Thermo Fisher Scientific for Cobalt foil, 0.1mm (0.004in) thick, Puratronic:r, 99.995% (metals basis)
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethyl carbazate, 97% from Thermo Fisher Scientific
Ethyl dichlorophosphate, 97% from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific