COD Calibration Standard

2,2',3,4,4',5,6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

8151MDL B

2-Ethoxy-3-ethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.