Supplier Page from Thermo Fisher Scientific for Ruthenium, plasma standard solution, Specpure:r, Ru 1000µg/mL
Arsenic standard solution, for AAS, 1 µg/mL As in 2% KOH from Thermo Fisher Scientific
Polystyrene standard, M.W. 50,000, Mw/Mn 1.06 from Thermo Fisher Scientific
Strontium, plasma standard solution, Specpure:r, Sr 1000µg/mL from Thermo Fisher Scientific
Sulfur in Residual Oil standard solution, Specpure:r, 30,000µmg/g (3.00%) from Thermo Fisher Scientific