Supplier Page from Thermo Fisher Scientific for Holmium, plasma standard solution, Specpure:r, Ho 10,000µg/mL
Aluminum, plasma standard solution, Specpure:r, Al 10,000µg/mL from Thermo Fisher Scientific
Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3 from Thermo Fisher Scientific
Multi-Element Plasma Standard Solution 2, Specpure® from Thermo Fisher Scientific
Zinc standard solution, for AAS, 1 µg/mL Zn in 2-5% HCl from Thermo Fisher Scientific