Supplier Page from Thermo Fisher Scientific for Tantalum, plasma standard solution, Specpure:r, Ta 10,000µg/mL
Molybdenum, plasma standard solution, Specpure:r, Mo 10,000µg/mL from Thermo Fisher Scientific
Osmium, plasma standard solution, Specpure:r, Os 1000µg/mL from Thermo Fisher Scientific
Polystyrene standard, M.W. 3,350, Mw/Mn 1.10 from Thermo Fisher Scientific
Potassium, plasma standard solution, Specpure:r, K 10,000µg/mL from Thermo Fisher Scientific