Supplier Page from Thermo Fisher Scientific for Iridium, plasma standard solution, Specpure:r, Ir 10,000µg/mL
Copper, plasma standard solution, Specpure:r, Cu 1000µg/mL from Thermo Fisher Scientific
Rubidium, AAS standard solution, Specpure:r, Rb 1000µg/mL from Thermo Fisher Scientific
Sodium, plasma standard solution, Specpure:r, Na 10,000µg/mL from Thermo Fisher Scientific
Sulfur in Light Mineral Oil standard solution, Specpure:r, 7,500µmg/g (0.75%) from Thermo Fisher Scientific