EPA Method 8141 Surrogate Standard Back Catalog number: 92387 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 691958 Trifluoroacetic acid sodium salt, 100mg Price on request 8525.20-10-AN Ochratoxin B, 10µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 4825-86-9 Price on request R071403 Ractopamine-d5 Hydrochloride, 0,5mg Price on request