Supplier Page from Thermo Fisher Scientific for Arsenic standard solution, for AAS, 1 µg/mL As in 2% KOH
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl butyrylacetate, 98% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific
Fluorobenzene, 99% from Thermo Fisher Scientific