CLP Acid & Base/Neutral Surrogate Mix Back Catalog number: 21056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1369-S 1,3,6,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 679721 (-)-beta-Citronellol, 250mg Price on request 1680.18-10MG 2-Hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 65945-06-4 Price on request