Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Back Catalog number: DF-LCS-C40 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended SC-218032 D-Neopterin-13C5, 1mg Price on request 35031 EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml Price on request 71615 n-Butyraldehyde Price on request