Interference Standards Set Back Catalog number: 52038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9837.8-10MG Valproic acid-d15, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 362049-65-8 Price on request 1804.12-10MG 3-Aminobiphenyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2243-47-2 Price on request MICQC6 WS (drinking water) Quantitative E.Coli - QC Price on request