IC Anion Standard Custom Mix Back Catalog number: 50752 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-I200 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request C10206350 1-Aminonaphthalene, certified, 50mg Price on request 93627 Herbicide Acid Standard Price on request