Supplier Page from Thermo Fisher Scientific for Cobalt, plasma standard solution, Specpure:r, Co 1000µg/mL
Calcium standard solution, for AAS, 1 µg/mL Ca in 2 to 5% HNO3 from Thermo Fisher Scientific
Copper, plasma standard solution, Specpure:r, Cu 1000µg/mL from Thermo Fisher Scientific
Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL from Thermo Fisher Scientific
Sulfur in Isooctane standard solution, Specpure:r, 1000µmg/g (0.100%) from Thermo Fisher Scientific