Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72885 N-Nitroso-N,N-di-(7-methyloctyl)amine Price on request 673750 Butafenacil, 10 µg/ml, Ethyl acetate, 10ml Price on request MBP-5 2,3-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request