GC/MS Calibration Standard Mix #2 Back Catalog number: 43028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95653 cis-Permethrin Price on request MCDE-141 2,2',3,4,5,5'-Hexachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane Price on request 73518 Atrazine-desisopropyl-2-hydroxy Price on request