Interference Standard Mix 2 Back Catalog number: 53040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678461 Prochloraz, 100 µg/ml, Acetonitrile, 5ml Price on request SC-492213 4'-Aminoazobenzene-4-sulphonic acid, 1g Price on request 79493 Perfluoroheptanoic acid Price on request