ICP-OES EPA 200.7 Calibration Standard Back Catalog number: 50682 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CLM-351-1.2 Hexachlorobenzene (13C6, 99%), 100µg/ml in Nonane, 1,2ml Price on request 682835 3-Hydroxynaphthalene-2,7-disulfonic acid disodium Price on request 680298 2-Methylphenol, 500mg Price on request