Internal Standard Back Catalog number: 96651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PFAC-MXF Native Replacement PFAS Solution/Mix, 2µg/ml in MeOH, 1,2ml Price on request 83581 Bentazon Price on request 682208 Benoxacor, 100 µg/ml, Acetonitrile, 5ml Price on request