Benefin Back Catalog number: 70545 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54119 pH 6.0 Standard @ 25°C Price on request DF-1239-S 1,2,3,9-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 676894 2-(4-Aminobenzyl)aniline, 100 µg/ml, Acetonitrile Price on request