Retention Time Verification Standard Back Catalog number: 51136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672908 Etofenprox, 100mg Price on request 0315.21-200-T Dibenz[a,j]acridine, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 224-42-0 Price on request 10422.6-K-IP 2,3,4,5,6-Pentachlorophenol-13C6, 1000µg/ml in Isopropanol, 1ml Price on request