Supplier Page from Thermo Fisher Scientific for Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL
Calcium carbonate, ACS reagent, chelometric standard from Thermo Fisher Scientific
Cyanide, standard solution, Specpure:r, CN:- 1000µg/mL from Thermo Fisher Scientific
Selenium standard solution, for AAS, 1 µg/mL Se in 10% HCl from Thermo Fisher Scientific
Tellurium, plasma standard solution, Specpure:r, Te 1000µg/mL from Thermo Fisher Scientific