Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79067 2,3,6-Trichlorophenol Price on request 680136 1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol, Price on request 94376 Hydrocarbon Standard Price on request