Supplier Page from Thermo Fisher Scientific for Silver standard solution, for AAS, 1 µg/mL Ag in 0.5N HNO3
4-Ethylresorcinol, 98% from Thermo Fisher Scientific
Ethyl L(-)-lactate, 97% from Thermo Fisher Scientific
Ethyl oxalyl chloride, 98% from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific