Indigotine, certified, 0.25g

4-tert-Octylphenol EO, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2315-67-5

2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene

IP 391-95 Performance Standard 4 Analytes, each Wt.% as listed in n-Heptane; units: 1x5mL, 5x5mL Cyclohexane 10.0 mg/mL o-Xylene 5.0mg/mL Dibenzothiophene 0.5mg/mL 9-Methylan