Chemical Oxygen Demand

2,4-Dimethylphenol-3,5,6-d3, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-75-8

Formaldehyde-DNPH

2-Amino-2',5-dichlorobenzophenone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2958-36-3