Supplier Page from Thermo Fisher Scientific for Niobium, plasma standard solution, Specpure:r, Nb 10,000µg/mL
Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL from Thermo Fisher Scientific
Lead in Isooctane standard solution, Specpure:r, 3.70µmg/g(0.010g/gal) from Thermo Fisher Scientific
Polystyrene standard, M.W. 50,000, Mw/Mn 1.06 from Thermo Fisher Scientific
Yttrium, plasma standard solution, Specpure:r, Y 10,000µg/mL from Thermo Fisher Scientific