D8-4,4'-DDD, 100 µg/ml, Acetone, 1ml Back Catalog number: 684690 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10580.39-1MM-CF Phosphatidylethanol sodium salt,1 millimol free acid (723.5 µg/mL),chloroform,1mL Price on request 95494 Additional Pesticide Mix Price on request S-4436-10-IO Hopane/Sterane Calibration Mix, 12 components, 10µg/ml in Isooctane, 1ml Price on request