Supplier Page from Thermo Fisher Scientific for Potassium hydrogen phthalate, primary standard, ACS, 99.95-100.05%
Lanthanum, plasma standard solution, Specpure:r, La 1000µg/mL from Thermo Fisher Scientific
Lutetium, plasma standard solution, Specpure:r, Lu 1000µg/mL from Thermo Fisher Scientific
Platinum standard solution, for AAS, 1 µg/mL Pt in 10-20% HCl from Thermo Fisher Scientific
Sodium, Oil based standard solution, Specpure:r, Na 1000µmg/g from Thermo Fisher Scientific