Supplier Page from Thermo Fisher Scientific for Hafnium, plasma standard solution, Specpure:r, Hf 1000µg/mL
2-Ethyl-1,3-hexanediol, 99%, mixture of isomers from Thermo Fisher Scientific
2-Ethylhexanoic acid, 99% from Thermo Fisher Scientific
Flavone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific