Supplier Page from Thermo Fisher Scientific for Rhenium standard solution, for AAS, 1 µg/mL Re in water
Arsenic, AAS standard solution, Specpure:r, As 1000µg/mL from Thermo Fisher Scientific
Lithium, plasma standard solution, Specpure:r, Li 10,000µg/mL from Thermo Fisher Scientific
Potassium hydrogen phthalate, ACS reagent, acidimetric standard from Thermo Fisher Scientific
Sulfur in Residual Oil standard solution, Specpure:r, 30,000µmg/g (3.00%) from Thermo Fisher Scientific