Supplier Page from Thermo Fisher Scientific for Tantalum rod, 6.4mm (0.25in) dia, 99.95% (metals basis)
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
Ethyl cyanoacetate, 98+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific