Supplier Page from Thermo Fisher Scientific for Palladium, plasma standard solution, Specpure:r, Pd 10,000µg/mL
Calcium carbonate, ACS reagent, chelometric standard from Thermo Fisher Scientific
Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL from Thermo Fisher Scientific
Potassium, plasma standard solution, Specpure:r, K 10,000µg/mL from Thermo Fisher Scientific
Sulfur in Heavy Mineral Oil standard solution, Specpure:r, 15µmg/g (0.0015%) from Thermo Fisher Scientific