Supplier Page from Thermo Fisher Scientific for Potassium chloride, 0.159M, Conductivity Standard
Calcium, plasma standard solution, Specpure:r, Ca 1000µg/mL from Thermo Fisher Scientific
Mercury, plasma standard solution, Specpure:r, Hg 10,000µg/mL from Thermo Fisher Scientific
Polystyrene standard, M.W. 50,000, Mw/Mn 1.06 from Thermo Fisher Scientific
Potassium standard solution, for AAS, 1 µg/mL K in 2-5% HNO3 from Thermo Fisher Scientific