Supplier Page from Thermo Fisher Scientific for Copper, plasma standard solution, Specpure:r, Cu 10,000µg/mL
Chlorine in Heavy Mineral Oil standard solution, Specpure:r, 100µmg/g (0.010%) from Thermo Fisher Scientific
Gallium, AAS standard solution, Specpure:r, Ga 1000µg/mL from Thermo Fisher Scientific
Sulfur in Crude Oil standard solution, Specpure:r, 5000µmg/g (0.50%) from Thermo Fisher Scientific
Sulfur in Diesel Fuel standard solution, Specpure:r, blank (0.0000%) from Thermo Fisher Scientific