Supplier Page from Thermo Fisher Scientific for Lithium, plasma standard solution, Specpure:r, Li 10,000µg/mL
Bismuth, plasma standard solution, Specpure:r, Bi 1000µg/mL from Thermo Fisher Scientific
Calcium standard solution, for AAS, 1 µg/mL Ca in 2 to 5% HNO3 from Thermo Fisher Scientific
Germanium, plasma standard solution, Specpure:r, Ge 1000µg/mL from Thermo Fisher Scientific
Poly(N-vinylcarbazole), secondary standard, M.W. 135,600, M.N. 56,400 from Thermo Fisher Scientific