Supplier Page from Thermo Fisher Scientific for Arsenic standard solution, for AAS, 1 µg/mL As in 2% KOH
1,2-Ethanedithiol, 95% from Thermo Fisher Scientific
Ethyl 3-aminobenzoate, 99+% from Thermo Fisher Scientific
Ethyl 4,4,4-trifluoroacetoacetate, 97% from Thermo Fisher Scientific
Ethylene glycol dimethyl ether, 99+%, extra pure, stabilized with BHT from Thermo Fisher Scientific