Supplier Page from Thermo Fisher Scientific for Phenazopyridine hydrochloride, 99%, analytical standard
Barium, plasma standard solution, Specpure:r, Ba 1000µg/mL from Thermo Fisher Scientific
Selenium standard solution, for AAS, 1 µg/mL Se in 10% HCl from Thermo Fisher Scientific
Strontium, plasma standard solution, Specpure:r, Sr 1000µg/mL from Thermo Fisher Scientific
Sulfur in Heavy Mineral Oil standard solution, Specpure:r, 500µmg/g (0.0500%) from Thermo Fisher Scientific