Interference Standard 4 Back Catalog number: 53041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA11940000AL 2,4-D, 100µg/mL in Acetonitrile, 1ml Price on request 675023 Fenson, 100 µg/ml, Cyclohexane, 5ml Price on request 674939 Diazoxon, 10mg Price on request