Supplier Page from Thermo Fisher Scientific for Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Ergosterol, 98% from Thermo Fisher Scientific
Ethyl 2-oxocyclohexanecarboxylate, 95% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific