ICP-MS Calibration Standard Back Catalog number: 50197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 63171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request 3584.17-K-IO 2,4-Diethylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 82799-44-8 Price on request 673859 Acifluorfen, 10.0 µg/ml, Acetonitrile, 10ml Price on request