Supplier Page from Thermo Fisher Scientific for Tantalum, AAS standard solution, Specpure:r, Ta 1000µg/mL
Lead in Isooctane standard solution, Specpure:r, 740µmg/g(2.0g/gal) from Thermo Fisher Scientific
Polystyrene standard, M.W. 50,000, Mw/Mn 1.06 from Thermo Fisher Scientific
Sodium oxalate, Acculute Standard Volumetric Solution, Final Concentration 0.1N from Thermo Fisher Scientific
Zinc standard solution, for AAS, 1 µg/mL Zn in 2-5% HCl from Thermo Fisher Scientific