MA - EPH Matrix Spike Back Catalog number: 92113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682133 Chlorthal-dimethyl, 100 µg/ml, Ethyl acetate, 5m Price on request 0715.12-K-IO 2-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 939-27-5 Price on request 11359.8-K-AN N-Nitrosobenzylmethyl-d3-amine,1000 µg/mL,acetonitrile,1mL, Price on request