EPA Method 555 Phenoxy-acids Herbicides Back Catalog number: 30555 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9684.6-K-IO Hexamethylcyclotrisiloxane, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 541-05-9 Price on request 9928.16-50UG 6:2 Di-PAPS-d4, neat, Solvent-neat, Unit ca. 50 µg, # of units-1, Cas.no. Price on request S-4075-100-10DC n-Alkanes C10-C40 (even + some uneven) 24 Analytes, each 100µg/mL in dichloromethane; units: 1x5mL, 1x10mL in screw-capped bottle. This standard includes all the even n-paraffins C10-C40 + extra addition of some uneven n-paraffins C10-C40. C10 C17 Price on request