Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Back Catalog number: MHCH-MXA Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-C Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 682388 Dimetridazole-2-hydroxy, 100 µg/ml, Methanol, 1m Price on request 53027 Alternate Interferents B Price on request