525 Calibration Standard - Spiking Back Catalog number: 95981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MBP-188 2,2',3,4',5,6,6'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request X9163 Aroclor 1248 Price on request 95552 Aroclor 1221 Price on request