ICP-MS Calibration Standard Back Catalog number: 50197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50282 QC-21 - ICP Optical Price on request 3174.5-K-IO Ethyl propanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-37-3 Price on request 66176 2,2',3,3',4,6,6'-Heptachlorobiphenyl Price on request