COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C-185N PCB No. 185, 5mg Price on request 8545.24-K-T 1,3,5-Triphenylbenzene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 612-71-5 Price on request 0041.18-100-T 5-Nitrobenzo[c]phenanthrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 64356-30-5 Price on request