Custom Calibration Standard Back Catalog number: 59419 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679460 2,4'-DDT, 100 µg/ml, Methanol, 1ml Price on request 675740 cis-Chlordane, 100 µg/ml, Ethyl acetate, 5ml Price on request 676987 Spectinomycin dihydrochloride pentahydrate, 250mg Price on request