Supplier Page from Thermo Fisher Scientific for 1,3-Diphenylguanidine, primary standard, 99+%
Calcium, plasma standard solution, Specpure:r, Ca 1000µg/mL from Thermo Fisher Scientific
Indium, AAS standard solution, Specpure:r, In 1000µg/mL from Thermo Fisher Scientific
Iron standard solution, for AAS, 1 µg/mL Fe in 2 to 5% HNO3 from Thermo Fisher Scientific
Phenazopyridine hydrochloride, 99%, analytical standard from Thermo Fisher Scientific