Supplier Page from Thermo Fisher Scientific for Sodium, plasma standard solution, Specpure:r, Na 10,000µg/mL
Iron standard solution, for AAS, 1 µg/mL Fe in 2 to 5% HNO3 from Thermo Fisher Scientific
Molybdenum, plasma standard solution, Specpure:r, Mo 10,000µg/mL from Thermo Fisher Scientific
Oxalate, Ion chromatography standard solution, Specpure:r, C{2}O4:-µ2 1000µg/mL from Thermo Fisher Scientific
Selenium standard solution, for AAS, 1 µg/mL Se in 10% HCl from Thermo Fisher Scientific