Mixed Calibration Kit Back Catalog number: 52052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3594.55-1MG Chlorophyll B, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 519-62-0 Price on request 677581 Pethoxamid ESA sodium salt, 100µg/ml in Acetonitrile, 1ml Price on request 20021 Toxaphene Price on request