Supplier Page from Thermo Fisher Scientific for Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3
Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL from Thermo Fisher Scientific
Lithium, plasma standard solution, Specpure:r, Li 1000µg/mL from Thermo Fisher Scientific
Potassium standard solution, for AAS, 1 µg/mL K in 2-5% HNO3 from Thermo Fisher Scientific
Zinc, Oil based standard solution, Specpure:r, Zn 1000µmg/g from Thermo Fisher Scientific