Oxalic Acid (C2H2O4) Back Catalog number: 54596 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-124678-S 1,2,4,6,7,8-Hexachlorodibenzofuran , 1.2ml x 50ug/ml, toluene Price on request 50782 1.% Carbon (Wt. / Vol.) Standard Price on request 57147 Silver (Ag) Price on request