Supplier Page from Thermo Fisher Scientific for Arsenic standard solution, for AAS, 1 µg/mL As in 2% KOH
Emodin, 95%, tech from Thermo Fisher Scientific
Epichlorohydrin, 99% from Thermo Fisher Scientific
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific