Supplier Page from Thermo Fisher Scientific for ICP-MS Tuning Standard solution for 200.8, Specpure:r
Chromium, AAS standard solution, Specpure:r, Cr 1000µg/mL from Thermo Fisher Scientific
Lithium standard solution, for AAS, 1 µg/mL Li in 2% HCl from Thermo Fisher Scientific
Praseodymium, plasma standard solution, Specpure:r, Pr 1000µg/mL from Thermo Fisher Scientific
Sodium oxalate, Acculute Standard Volumetric Solution, Final Concentration 0.1N from Thermo Fisher Scientific