Supplier Page from Thermo Fisher Scientific for Cobalt slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, Puratronic:r, 99.995% (metals basis)
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
Fluorescein isothiocyanate isomer I, 90%, pure from Thermo Fisher Scientific
Iron(III) acetylacetonate, 99+% from Thermo Fisher Scientific