Supplier Page from Thermo Fisher Scientific for Praseodymium foil, 0.62mm (0.024in) thick, 99.5% (REO)
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Esculin hydrate, 97% from Thermo Fisher Scientific
Ethylmercurithiosalicylic acid, sodium salt, 97.0-101.0% from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific