CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50688 Metals Mix #1 Price on request 79523 MCPA Price on request 0017.18-100-T 6-Nitrochrysene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 7496-02-8 Price on request