Interference Standard 1 Back Catalog number: 53039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2270.3-2K-MX Acetone, 2000µg/mL, Solvent-9:1Methanol/water or Methanol, Unit 1mL, # of units-1, Cas.no. 67-64-1 Price on request MCPS Mass-Labelled Chlorophenol Solution/Mixture, 1.2ml, isooctane Price on request 50121 Anion Standard Price on request