Mixed Calibration Standard 2 Back Catalog number: 53336 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C10218000 Aminopyralid, certified, 0.1g Price on request 675762 Heptachlor endo-epoxide, 100 µg/ml, Ethyl acetate Price on request 676144 Avermectin B1a, 100 µg/ml, Acetonitrile, 1ml Price on request