Supplier Page from Thermo Fisher Scientific for Sulfur in Kerosene standard solution, Specpure:r, blank (0.000%)
Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL from Thermo Fisher Scientific
Iron standard solution, for AAS, 1 µg/mL Fe in 2 to 5% HNO3 from Thermo Fisher Scientific
Neodymium, plasma standard solution, Specpure:r, Nd 1000µg/mL from Thermo Fisher Scientific
Scandium, AAS standard solution, Specpure:r, Sc 1000µg/mL from Thermo Fisher Scientific