Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678133 2,2'-DDE, 10 µg/ml, Cyclohexane, 10ml Price on request 1989.9-K-ME Tri-n-propyltin chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2279-76-7 Price on request 30029 EPA Method 525 - Perchlorinates Price on request