TOC Calibration Standard Back Catalog number: 50240 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674510 D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide, Price on request 57134 Selenium (Se) Price on request 1293.20-10MG 9,10-Dihydrobenzo[a]pyren-7(8H)-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3331-46-2 Price on request