Supplier Page from Thermo Fisher Scientific for Niobium foil, 0.25mm (0.01in) thick, annealed, 99.8% (metals basis)
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
2-Ethyl-1-hexanol, 99% from Thermo Fisher Scientific
Dotriacontane, 97% from Thermo Fisher Scientific
Ethyl N-piperazinecarboxylate, 99% from Thermo Fisher Scientific