MA - EPH Matrix Spike Back Catalog number: 92113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79770 Diazinon, 1000µg/ml in Acetonitrile, 1ml Price on request BB-180 2,2',3,4,4',5,5'-Heptabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 90498 2-Methylanthracene Price on request