Surrogate Standard Back Catalog number: 92703 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 97238 2,5-Dibromotoluene Price on request 73574 Benzyldimethyldodecylammonium chloride Price on request