VPH Calibration Standard - Draft 01-2012 Back Catalog number: 96995 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51145 WA EPH Matrix Spike Mix Price on request 2509.6-K-IP 2,3,4,6-Tetrabromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 14400-94-3 Price on request 2959.12-100-ME Methyl viologen-d8 dichloride (rings-d8) Price on request