BOD Calibraton Standard Back Catalog number: 54197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0020.26-10UG (6)Helicene, racemic mixture of two enantiomers, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 187-83-7 Price on request B519496 Bisphenol A-13C2, 2,5mg Price on request 91297 EPA Method 525.2 - 526 Internal Standard Price on request