CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 23016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678001 Methamidophos, 100 µg/ml, Toluene, 1ml Price on request 9492.6-100-IO Triethylphosphate-d15, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 135942-11-9 Price on request 2074.6-K-IP 2,3,5,6-Tetrachlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 935-95-5 Price on request