ICP-MS Calibration Standard Back Catalog number: 50197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1261.14-K-IO 2-Butylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1134-62-9 Price on request L11290000AL Chlorfenvinphos, 10 ng/µl, 10ml Price on request L0380000 Levamisole hydrochloride, 50mg Price on request