CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50174 Anion Mix #3 Price on request 72723 2-Ethylbutyraldehyde Price on request 15900-3837-10AN5 Pethoxamid-ESA sodium, 10µg/ml in Acetonitrile, 5ml Price on request