Calibration Standard Mix 5 Back Catalog number: 53047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10634.12-50-T 1,2,3,6,7,8-Hexachlorodibenzofuran Price on request 681473 N-Butylbenzenesulfonamide, 100 µg/ml, Acetonitril Price on request 9713.5-90ML n-Butyl chloroformate, neat, Solvent-neat, Unit 90ml, # of units-1, Cas.no. 592-34-7 Price on request