Supplier Page from Thermo Fisher Scientific for Holmium(III) oxide, REacton:r, 99.9% (REO)
Ethyl butyrate, 99% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific