Calibration Standard 1 Back Catalog number: 52021A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1979.19-K-IO 4-n-Nonylphenol diethoxylate, 1000µg/ml in Isooctane, 1ml Price on request 8850.9-K-IO 3-iso-Butyl-2-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 51138 NWTPH-HCID - Surrogate Standard Price on request