Supplier Page from Thermo Fisher Scientific for Arsenic standard Liquid, for AAS, 1 _g/mL As in 2% KOH
Iron(II) sulfide, 99% (metals basis) from Thermo Fisher Scientific
L(-)-Phenylephrine hydrochloride, 99% from Thermo Fisher Scientific
Polystyrene latex microsphere, 1 micron, dry form from Thermo Fisher Scientific
Sand, white quartz from Thermo Fisher Scientific