Mass-Labelled DDT & Related Compound Mix, 2µg/ml in Nonane, 1,2ml Back Catalog number: MDET-MXA Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 91836R WS Disinfection By-Products AMP 1 - Cal Check Price on request 83560 p-Tolualdehyde-DNPH, 100µg/ml in Acetonitrile, 1ml Price on request