Ammonium dihydrogen phosphate Modifier Back Catalog number: 52340 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-G40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 91963 Phenols Mix #1 Price on request 2022.8-500UL 4-Fluoro-o-xylene, neat, Solvent-neat, Unit 0,5mL, # of units-1, Cas.no. 452-64-2 Price on request