Supplier Page from Thermo Fisher Scientific for Calcium carbonate, ACS reagent, chelometric standard
9-Fluorenone, 99+% from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, tetrasodium salt hydrate, 98%, pure from Thermo Fisher Scientific