Urea Stock Solution Back Catalog number: 93294 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4486-500-AC EPA 527, Surrogate Standard 3 Analytes, each 500µg/mL in Acetone; unit: 1x1mL 3478,8 1,3-Dimethyl-2-nitrobenzene [81-20-9] 2138.18 Triphenylphosphate [115-86-6] 1534.20 Perylene-d12 [1520-96-3] Price on request MFDUEA 2H-Perfluoro-[1,2-13C2]-2-dodecenoic acid (10:2), 50µg/ml in Isopropanol, 1,2ml Price on request C12451000 2,4-Dichlorophenol, certified, 0.25g Price on request