Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-23ISS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 689556 Acrylamide, 100µg/ml in Acetonitrile, 5ml Price on request MBP-127 3,3',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 684096 1,3,5-Triphenylbenzene, 100mg Price on request