Supplier Page from Thermo Fisher Scientific for Rhodium, AAS standard solution, Specpure:r, Rh 1000µg/mL
Copper, plasma standard solution, Specpure:r, Cu 10µg/mL from Thermo Fisher Scientific
Erbium, plasma standard solution, Specpure:r, Er 10,000µg/mL from Thermo Fisher Scientific
Sulfur in Light Mineral Oil standard solution, Specpure:r, 10µmg/g (0.0010%) from Thermo Fisher Scientific
Sulfur in Residual Oil standard solution, Specpure:r, 40,000µmg/g (4.00%) from Thermo Fisher Scientific