COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53133 Multi-Element Solution 1 Price on request DF-LCS-C Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 677366 Anthracene, 10.0 µg/ml, Cyclohexane, 10ml Price on request