Transition Metals Starter Kit Back Catalog number: 52256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request 79399 Azinphos methyl Price on request EPA-8290HRCC1-5 EPA Method 8290 Calibration Kit, 5 ampoules, nonane Price on request