CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675092 Sodium p-n-decylbenzenesulfonate, 10mg Price on request 676264 D6-Benzaldehyde, 1000mg Price on request 59557A Metals Mix #1 Price on request