Supplier Page from Thermo Fisher Scientific for Potassium, Ion chromatography standard solution, Specpure:r, K:+ 1000µg/mL
Calcium carbonate, chelometric standard, ACS, 99.95-100.05% from Thermo Fisher Scientific
Germanium, AAS standard solution, Specpure:r, Ge 1000µg/mL from Thermo Fisher Scientific
Thallium, plasma standard solution, Specpure:r, Tl 1000µg/mL from Thermo Fisher Scientific
Zinc, Oil based standard solution, Specpure:r, Zn 5000µmg/g from Thermo Fisher Scientific