Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9388.12-25MG 2,2',5,6'-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 25MG, # of units-1, Cas.no. 41464-41-9 Price on request BFR-LCS Labelled Compounds Stock Solution, 1.2ml, toluene Price on request 2663.10-100 Toxaphene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 8001-35-2 Price on request