COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-57S 1,2,4,5,6-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 10483.15-50MG Metalaxyl-M Price on request 0468.16-200-T 2,7-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 782-23-0 Price on request