Instrument Standard 5 Back Catalog number: 53081 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73519 Atrazine desethyl-2-hydroxy Price on request 13400-0405-100ME5 Bisphenol F, 100µg/ml in MeOH, 5ml Price on request 672952 Dequalinium chloride, 500mg Price on request