COD Calibration Standard

Isopropylated trisphenyl phosphate (Phenol, isopropylated, phosphate), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 68937-41-7

2,6-Dinitrotoluene-a,a,a-d3

Bromopropylate, 100 µg/ml, Ethyl acetate, 5ml