Supplier Page from Thermo Fisher Scientific for Manganese standard solution, for AAS, 1 µg/mL Mn in 2 to 5% HNO3
3-Ethoxy-2-cyclohexen-1-one, 99% from Thermo Fisher Scientific
4-Ethylphenol, 97% from Thermo Fisher Scientific
Ethyl bromopyruvate, 80-85% from Thermo Fisher Scientific
Ethyl pyruvate, 98% from Thermo Fisher Scientific