Interference Standard 1 Back Catalog number: 52039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11660.10-50-IO 1,2-Dichloronaphthalene,50 µg/mL,isooctane,1mL, Price on request 676742 D5-Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml Price on request 673612 Fonofos, 100 µg/ml, Ethyl acetate, 5ml Price on request