Supplier Page from Thermo Fisher Scientific for Multi-Element QC-19 Check Standard Solution, Specpure:r
Bismuth, plasma standard solution, Specpure:r, Bi 1000µg/mL from Thermo Fisher Scientific
Calcium, Oil based standard solution, Specpure:r, Ca 5000µmg/g from Thermo Fisher Scientific
Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3 from Thermo Fisher Scientific
Tin(II) chloride dihydrate, low in Mercury, suitable for AAS from Thermo Fisher Scientific