Supplier Page from Thermo Fisher Scientific for Copper sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick, 99.995% (metals basis)
Ethyl 2-hydroxyethyl sulfide, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific