Complete Set Of GC/MS Calibration Mixes Back Catalog number: 43029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2000.12-10MG 2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg, Price on request 673287 Fenoxycarb, 100 µg/ml, Acetonitrile, 5ml Price on request BDE-156 2,3,3',4,4',5-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request