Aroclor 1221 Back Catalog number: 79403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-52 2,2',5,5'-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 4H146 2,2',3,4',5,5'-Hexachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane Price on request S-4157-1ML Performance Control Mixture 4 Analytes each Wt.% as listed; units: 1x1mL, 5x1mL neat Name Wt. % Name Wt. % n-Hexadecane 75.0 Tetralin 3.0 Naphthalene 2.0 Price on request