Supplier Page from Thermo Fisher Scientific for Barium sulfate, Puratronic:r, 99.998% (metals basis)
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Eicosanoic acid, 98% from Thermo Fisher Scientific
Ethyl indole-2-carboxylate, 97% from Thermo Fisher Scientific
Ethylenediamine, 99% from Thermo Fisher Scientific