Supplier Page from Thermo Fisher Scientific for Ytterbium(III) nitrate hydrate, REacton:r, 99.99% (REO)
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl acrylate, 99.5%, stabilized from Thermo Fisher Scientific
Ethyl propiolate, 99% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific