Supplier Page from Thermo Fisher Scientific for Erbium, AAS standard solution, Specpure:r, Er 1000µg/mL
Poly(N-vinylcarbazole), secondary standard, M.W. 135,600, M.N. 56,400 from Thermo Fisher Scientific
Praseodymium, plasma standard solution, Specpure:r, Pr 1000µg/mL from Thermo Fisher Scientific
Sulfur in Diesel Fuel standard solution, Specpure:r, 10µmg/g (0.0010%) from Thermo Fisher Scientific
Zinc standard solution, for AAS, 1 µg/mL Zn in 2-5% HCl from Thermo Fisher Scientific