Supplier Page from Thermo Fisher Scientific for Yttrium rod, 6.35mm (0.25in) dia, 99.9% (metals basis excluding Ta)
Ethanethiol, 99+% from Thermo Fisher Scientific
Ethyl 4-chlorobutyrate, 97% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Ethyltriphenylphosphonium bromide, 98% from Thermo Fisher Scientific