CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C15875000 Para Red, certified, 0.1g Price on request 50436 ICP Mix #4 Price on request 15900-0410-100CY5 Bifenox, 100µg/ml in Cyclohexane, 5ml Price on request