COD Calibration Standard Back Catalog number: 51255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681024 Coumaphos, 10.0 µg/ml, Cyclohexane, 10ml Price on request 93467 Alcohol Standard Price on request PFOS-001S Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Price on request