Interference Standard 4 Back Catalog number: 52041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50789 ICP HM Check Std B Price on request 676908 Pentadecafluorooctanoic acid, 100 µg/ml, Methanol Price on request 673238 Clothianidin, 10.0 µg/ml, Acetonitrile, 10ml Price on request