Supplier Page from Thermo Fisher Scientific for Transition Metals, plasma standard solution, Specpure®, Cd, Co, Cr, Cu, Fe, Mn, Ni, V, Zn @ 100µg/mL
2-Ethylaniline, 98% from Thermo Fisher Scientific
3-Fluorobenzoic acid, 99% from Thermo Fisher Scientific
Estrone, 99+% from Thermo Fisher Scientific
Fluorescein, pure from Thermo Fisher Scientific