Chemical Oxygen Demand Back Catalog number: 59592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1089.22-200-TX10 Benzo[ghi]perylene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 93951-66-7 Price on request 19094 EPA Method 601 Internal Standard Price on request 2436.18-K-IO 2-n-Dodecylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 5284-29-7 Price on request