Silver (Ag) Back Catalog number: 57447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-123478-S 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 676479 1,2,3,6-Tetrahydrophthalic anhydride, 250mg Price on request 54117 Formic Acid (CH2O2) Price on request