Multi-Element Internal Std., 10ug/ml, 4x25ml Back Catalog number: 52319 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1224.24-K-IO Bis(2-ethylhexyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 117-81-7 Price on request 11162.1-2K-ME Carbon-13C1-tetrachloride,2000 µg/mL,MeOH,1mL, Price on request 79421 Diazinon Price on request