Supplier Page from Thermo Fisher Scientific for Instrument Calibration(ICAL) Standards Kit, Specpure:r
Barium, plasma standard solution, Specpure:r, Ba 1000µg/mL from Thermo Fisher Scientific
Copper standard solution, for AAS, 1 µg/mL Cu in 2 to 5% HNO3 from Thermo Fisher Scientific
Silicon standard solution, for AAS, 1 µg/mL Si in 2% NaOH from Thermo Fisher Scientific
Sulfur in Residual Oil standard solution, Specpure:r, 30,000µmg/g (3.00%) from Thermo Fisher Scientific