Ammonium Nitrate Modifier Back Catalog number: 52309 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71634 Fenbutatin-oxide Price on request 52320 EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml Price on request BFR-LCS Labelled Compounds Stock Solution, 1.2ml, toluene Price on request