Trace Metals Kit Back Catalog number: 52091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0631.22-K-IO 2,6,10,14-Tetramethyloctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 54964-82-8 Price on request 678466 Paraoxon-ethyl, 10 µg/ml, Acetonitrile, 10ml Price on request 70598 Crotoxyphos, 1000µg/ml in in hexane:acetone [9:1], 1ml Price on request