Boscalid, 100µg/ml in MeOH, 1ml

Terbuthylazine D5 (ethyl D5), certified, 5mg

Pristane/n-Heptadecane Control Standard/Whole Oil Control Mixture 4 1000µg Pristane and 2000µg n-Heptadecane in 1mL isooctane Pristane/n-Heptadecane

Purified asfalthenes from Venezuelan Oil,neat,neat,100mg,