Supplier Page from Thermo Fisher Scientific for Selenium, AAS standard solution, Specpure:r, Se 1000µg/mL
Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3 from Thermo Fisher Scientific
Neodymium, plasma standard solution, Specpure:r, Nd 10,000µg/mL from Thermo Fisher Scientific
Potassium chloride, µ=0.0035M, Conductivity Standard from Thermo Fisher Scientific
Selenium standard solution, for AAS, 1 µg/mL Se in 10% HCl from Thermo Fisher Scientific