Supplier Page from Thermo Fisher Scientific for Lithium, plasma standard solution, Specpure:r, Li 1000µg/mL
Calcium, plasma standard solution, Specpure:r, Ca 1000µg/mL from Thermo Fisher Scientific
Potassium standard solution, for AAS, 1 µg/mL K in 2-5% HNO3 from Thermo Fisher Scientific
Rhenium, plasma standard solution, Specpure:r, Re 1000µg/mL from Thermo Fisher Scientific
Tin(II) chloride dihydrate, low in Mercury, suitable for AAS from Thermo Fisher Scientific