Supplier Page from Thermo Fisher Scientific for Osmium, plasma standard solution, Specpure:r, Os 1000µg/mL
Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3 from Thermo Fisher Scientific
Lead in Isooctane standard solution, Specpure:r, 3.70µmg/g(0.010g/gal) from Thermo Fisher Scientific
Lithium standard solution, for AAS, 1 µg/mL Li in 2% HCl from Thermo Fisher Scientific
Sulfur in Heavy Mineral Oil standard solution, Specpure:r, 40,000µmg/g (4.00%) from Thermo Fisher Scientific