EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679881 4,4'-Diaminodiphenylmethane, 100 µg/ml, Acetonitr Price on request 3360.6-K-IO Chlorobenzene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 108-90-7 Price on request 70813 Profenophos, 1000µg/ml in MeOH, 1ml Price on request
