WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml Back Catalog number: P48-W-ES Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1391.30-1MG 17ß(H),21ß(H)-22-Hydroxyhopane, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 1721-59-1 Price on request 674582 Chloramphenicol, 250mg Price on request S-4401-10K-AN Pesticide Mixture 6 Analytes, each 10000 µg/mL, in acetonitrile; units: 1x1, 1x2mL Prod.no. Compound CAS No. 2768,8 Atrazine [1912-249] 2769,9 Propazine [139-40-2] 2770,7 Simazine [122-34-9] 2771,9 Tertbuthylazine [5915-41-3] 2772,6 Atrazine-deseth Price on request