Instrument Standard 3 Back Catalog number: 53079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12159-250MG Hexachlorobenzene, 250mg Price on request 71427 2-Methoxyethyl acetate Price on request 71240 2,3-Benzofluorene, 1000µg/ml in methylene chloride, 1ml Price on request