Supplier Page from Thermo Fisher Scientific for Cobalt, AAS standard solution, Specpure:r, Co 1000µg/mL
Calcium carbonate, ACS reagent, chelometric standard from Thermo Fisher Scientific
Germanium, AAS standard solution, Specpure:r, Ge 1000µg/mL from Thermo Fisher Scientific
Iodide, Ion chromatography standard solution, Specpure:r, I:- 1000µg/mL from Thermo Fisher Scientific
Potassium, plasma standard solution, Specpure:r, K 10,000µg/mL from Thermo Fisher Scientific