Supplier Page from Thermo Fisher Scientific for Cobalt standard solution, for AAS, 1 µg/mL Co in 2 to 5% HNO3
Oxalate, Ion chromatography standard solution, Specpure:r, C{2}O4:-µ2 1000µg/mL from Thermo Fisher Scientific
Praseodymium, plasma standard solution, Specpure:r, Pr 1000µg/mL from Thermo Fisher Scientific
Titanium, plasma standard solution, Specpure:r, Ti 1000µg/mL from Thermo Fisher Scientific