GC/MS Calibration Standard Back Catalog number: 43025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70588 Chlorfenvinphos, 1000µg/ml in MeOH, 1ml Price on request 676694 Flurtamone, 100 µg/ml, Ethyl acetate, 1ml Price on request 66077 PCB No. 77, 100µg/ml in Isooctane, 1ml Price on request