COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2522.8-K-ME 4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7 Price on request 21011 CLP Volatile BTEX Standard, 1000µg/ml in MeOH, 1ml Price on request 50610 Chloride 2.0 µg/mL (Cl-) Price on request