Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57014 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 673325 Imidacloprid, 100 µg/ml, Acetonitrile, 5ml Price on request DF-1248-S 1,2,4,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 676399 2,6-Dichlorotoluene, 100mg Price on request