Supplier Page from Thermo Fisher Scientific for Manganese standard solution, for AAS, 1 µg/mL Mn in 2 to 5% HNO3
Ethyl 4-bromocrotonate, 75%, tech from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethyl benzoate, 99+% from Thermo Fisher Scientific
Ethyl chloroacetate, 99% from Thermo Fisher Scientific