CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 22016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0383.12-K-IOX5 Dibenzothiophene-d8, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 33262-29-2 Price on request 9754.17-100MG n-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3461-29-8 Price on request 0329.16-200-TX10 Pyrene-d10, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-52-1 Price on request