Supplier Page from Thermo Fisher Scientific for Tungsten, plasma standard solution, Specpure:r, W 1000µg/mL
Dysprosium, plasma standard solution, Specpure:r, Dy 10,000µg/mL from Thermo Fisher Scientific
Lead in Isooctane standard solution, Specpure:r, 3.70µmg/g(0.010g/gal) from Thermo Fisher Scientific
Lead, plasma standard solution, Specpure:r, Pb 1000µg/mL from Thermo Fisher Scientific
Sulfur in Crude Oil standard solution, Specpure:r, 5000µmg/g (0.50%) from Thermo Fisher Scientific