Supplier Page from Thermo Fisher Scientific for Polystyrene standard, M.W. 650,000, Mw/Mn 1.06
Arsenic, AAS standard solution, Specpure:r, As 1000µg/mL from Thermo Fisher Scientific
Cadmium, plasma standard solution, Specpure:r, Cd 1000µg/mL from Thermo Fisher Scientific
Gold standard solution, for AAS, 1 µg/mL Au in 10-20% HCl from Thermo Fisher Scientific
Sulfur in Heavy Mineral Oil standard solution, Specpure:r, 1500µmg/g (0.15%) from Thermo Fisher Scientific