Supplier Page from Thermo Fisher Scientific for Hafnium standard solution, for AAS, 1 µg/mL Hf in 5% HF
Estrone, 99+% from Thermo Fisher Scientific
Ethyl (ethoxymethylene)cyanoacetate, 98% from Thermo Fisher Scientific
Ethyl 2-mercaptoacetate, 99% from Thermo Fisher Scientific
meso-Erythritol, 99% from Thermo Fisher Scientific