Supplier Page from Thermo Fisher Scientific for Tungsten, AAS standard solution, Specpure:r, W 1000µg/mL
Lanthanum, plasma standard solution, Specpure:r, La 1000µg/mL from Thermo Fisher Scientific
Strontium, plasma standard solution, Specpure:r, Sr 1000µg/mL from Thermo Fisher Scientific
Yttrium, Oil based standard solution, Specpure:r, Y 1000µmg/g from Thermo Fisher Scientific
Yttrium, plasma standard solution, Specpure:r, Y 10,000µg/mL from Thermo Fisher Scientific