CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 21016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70189 2-Fluoronaphthalene Price on request 96592 (R)-(-)-Phenylephrine Price on request 675827 Demeton-S-methyl-sulfone, 100 µg/ml, Toluene, 1m Price on request