Supplier Page from Thermo Fisher Scientific for Rhenium, plasma standard solution, Specpure:r, Re 1000µg/mL
Calcium carbonate, ACS reagent, chelometric standard from Thermo Fisher Scientific
Cesium, plasma standard solution, Specpure:r, Cs 1000µg/mL from Thermo Fisher Scientific
Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL from Thermo Fisher Scientific
JM-21 Multi-element Oil Based Standard, Specpure:r, 100µmg/g from Thermo Fisher Scientific