Interference Check Standard Back Catalog number: 50329 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59010 Anions Mix 2, varied µg/ml in Water, 100ml Price on request 673937 Fipronil-sulfone, 10.0 µg/ml, Acetonitrile, 10ml Price on request 675881 Isocarbophos, 100mg Price on request