Supplier Page from Thermo Fisher Scientific for 1,3-Diphenylguanidine, primary standard, 99+%
Cerium, plasma standard solution, Specpure:r, Ce 1000µg/mL from Thermo Fisher Scientific
Chromium, plasma standard solution, Specpure:r, Cr 1000µg/mL from Thermo Fisher Scientific
Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL from Thermo Fisher Scientific
Polystyrene standard, M.W. 900,000, Mw/Mn 1.10 from Thermo Fisher Scientific