EPA Method 552,552.1,552.2 Internal Std Back Catalog number: 30105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended D436453 Diclofenac-13C6 Sodium Salt, 0,25mg Price on request 50289 STD - ICV, CCV Price on request 675345 Di-n-propyltin dichloride, 100 µg/ml, Methanol, Price on request