Supplier Page from Thermo Fisher Scientific for Iron standard solution, for AAS, 1 µg/mL Fe in 2 to 5% HNO3
2(2-Ethoxyethoxy)ethanol, 98+% from Thermo Fisher Scientific
Emodin, 95%, tech from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Ethyl 3-pyridylacetate, 99% from Thermo Fisher Scientific