CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 22016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9945.29-50-IO C29 1-Methyl triaromatic sterane, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 80382-28-1 Price on request 95980 Volatiles - Sulfur Price on request 9329.14-K-AN N-Nitrosodibenzylamine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 5336-53-8 Price on request