Supplier Page from Thermo Fisher Scientific for Sulfur in Kerosene standard solution, Specpure:r, 10µmg/g (0.001%)
Chromium, AAS standard solution, Specpure:r, Cr 1000µg/mL from Thermo Fisher Scientific
Dysprosium, AAS standard solution, Specpure:r, Dy 1000µg/mL from Thermo Fisher Scientific
Holmium, plasma standard solution, Specpure:r, Ho 10,000µg/mL from Thermo Fisher Scientific
Polystyrene standard, M.W. 3,350, Mw/Mn 1.10 from Thermo Fisher Scientific