Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3423.7-100-CY Ioxynil Price on request 13440-50AN5 DNPH - Mix 4, 50μg/ml in Acetonitrile, 5ml Price on request 674591 Fenthion-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request