Supplier Page from Thermo Fisher Scientific for Tantalum foil, 0.127mm (0.005in) thick, hard, 99.95% (metals basis)
1-Fluoro-4-nitrobenzene, 99% from Thermo Fisher Scientific
2-Ethoxyethyl ether, 98+%, extra pure from Thermo Fisher Scientific
4-Fluoroaniline, 98% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific