Custom Calibration Standard

2,8-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

2,5-Dinitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 329-71-5

4-n-Butylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 20651-71-2