Supplier Page from Thermo Fisher Scientific for Ringer's Solution, standard, unbuffered
Ammonium, Ion chromatography standard solution, Specpure:r, NH{4}:+ 1000µg/mL from Thermo Fisher Scientific
Phenazopyridine hydrochloride, 99%, analytical standard from Thermo Fisher Scientific
Potassium chloride, 0.0375M, Conductivity Standard from Thermo Fisher Scientific
Thallium, plasma standard solution, Specpure:r, Tl 1000µg/mL from Thermo Fisher Scientific