Interference Standards Set Back Catalog number: 52038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673620 gamma-HCH, 100 µg/ml, Ethyl acetate, 5ml Price on request 15900-1700-100AN5 Difeconazole,, 100µg/ml in Acetonitrile, 5ml Price on request 11980.17-K-AN Celecoxib,1000 µg/mL,acetonitrile,1mL, Price on request