Anions Mix Back Catalog number: 50666 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70254 Prometryne, 1000µg/ml in MeOH, 1ml Price on request 8219.15-K-AN n-Octanal-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 92313 EPA Method 525 Spike B Price on request