MA - EPH Matrix Spike Back Catalog number: 92113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HPCHLOR Heptachlor, 1.2mL x 100ug/mL, nonane Price on request 59990 ICP-OES Mix Price on request 0729.12-K-IO 2,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 581-42-0 Price on request