2,4-Dimethylphenol, 100 µg/ml, Methanol, 5ml

Native Chlorinated Methoxybiphenyl Solution/Mixture, 1.2ml, nonane

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane

Theobromine, 100µg/ml in MeOH, 5ml