Supplier Page from Thermo Fisher Scientific for Niobium foil, 0.25mm (0.01in) thick, annealed, 99.8% (metals basis)
1-Ethynyl-1-cyclohexanol, 99+% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific